201221020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 624314880

約数和(自身を除く): 423093860

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 23, 26, 28, 35, 38, 44, 46, 52, 55, 65, 70, 76, 77, 91, 92, 95, 110, 115, 130, 133, 140, 143, 154, 161, 182, 190, 209, 220, 230, 247, 253, 260, 266, 286, 299, 308, 322, 364, 380, 385, 418, 437, 455, 460, 494, 506, 529, 532, 572, 598, 644, 665, 715, 770, 805, 836, 874, 910, 988, 1001, 1012, 1045, 1058, 1196, 1235, 1265, 1330, 1430, 1463, 1495, 1540, 1610, 1729, 1748, 1771, 1820, 2002, 2090, 2093, 2116, 2185, 2470, 2530, 2645, 2660, 2717, 2860, 2926, 2990, 3059, 3220, 3289, 3458, 3542, 3703, 4004, 4180, 4186, 4370, 4807, 4940, 5005, 5060, 5290, 5434, 5681, 5819, 5852, 5980, 6118, 6578, 6877, 6916, 7084, 7315, 7406, 8372, 8645, 8740, 8855, 9614, 10010, 10051, 10465, 10580, 10868, 11362, 11638, 12236, 13156, 13585, 13754, 14630, 14812, 15295, 16445, 17290, 17710, 18515, 19019, 19228, 20020, 20102, 20930, 22724, 23023, 23276, 24035, 27170, 27508, 28405, 29095, 29260, 30590, 32890, 33649, 34385, 34580, 35420, 37030, 38038, 39767, 40204, 40733, 41860, 46046, 48070, 48139, 50255, 54340, 56810, 58190, 61180, 62491, 65780, 67298, 68770, 70357, 74060, 75647, 76076, 79534, 81466, 92092, 95095, 96140, 96278, 100510, 110561, 113620, 115115, 116380, 124982, 130663, 134596, 137540, 140714, 151294, 159068, 162932, 168245, 190190, 192556, 198835, 201020, 203665, 221122, 230230, 240695, 249964, 261326, 281428, 302588, 312455, 336490, 351785, 378235, 380380, 397670, 407330, 437437, 442244, 460460, 481390, 522652, 529529, 552805, 624910, 653315, 672980, 703570, 756470, 773927, 795340, 814660, 874874, 914641, 962780, 1059058, 1105610, 1249820, 1306630, 1407140, 1437293, 1512940, 1547854, 1749748, 1829282, 2118116, 2187185, 2211220, 2613260, 2647645, 2874586, 3095708, 3658564, 3869635, 4374370, 4573205, 5295290, 5749172, 7186465, 7739270, 8748740, 9146410, 10061051, 10590580, 14372930, 15478540, 18292820, 20122102, 28745860, 40244204, 50305255, 100610510, 201221020]

約数ペア:

[(1, 201221020), (2, 100610510), (4, 50305255), (5, 40244204), (7, 28745860), (10, 20122102), (11, 18292820), (13, 15478540), (14, 14372930), (19, 10590580), (20, 10061051), (22, 9146410), (23, 8748740), (26, 7739270), (28, 7186465), (35, 5749172), (38, 5295290), (44, 4573205), (46, 4374370), (52, 3869635), (55, 3658564), (65, 3095708), (70, 2874586), (76, 2647645), (77, 2613260), (91, 2211220), (92, 2187185), (95, 2118116), (110, 1829282), (115, 1749748), (130, 1547854), (133, 1512940), (140, 1437293), (143, 1407140), (154, 1306630), (161, 1249820), (182, 1105610), (190, 1059058), (209, 962780), (220, 914641), (230, 874874), (247, 814660), (253, 795340), (260, 773927), (266, 756470), (286, 703570), (299, 672980), (308, 653315), (322, 624910), (364, 552805), (380, 529529), (385, 522652), (418, 481390), (437, 460460), (455, 442244), (460, 437437), (494, 407330), (506, 397670), (529, 380380), (532, 378235), (572, 351785), (598, 336490), (644, 312455), (665, 302588), (715, 281428), (770, 261326), (805, 249964), (836, 240695), (874, 230230), (910, 221122), (988, 203665), (1001, 201020), (1012, 198835), (1045, 192556), (1058, 190190), (1196, 168245), (1235, 162932), (1265, 159068), (1330, 151294), (1430, 140714), (1463, 137540), (1495, 134596), (1540, 130663), (1610, 124982), (1729, 116380), (1748, 115115), (1771, 113620), (1820, 110561), (2002, 100510), (2090, 96278), (2093, 96140), (2116, 95095), (2185, 92092), (2470, 81466), (2530, 79534), (2645, 76076), (2660, 75647), (2717, 74060), (2860, 70357), (2926, 68770), (2990, 67298), (3059, 65780), (3220, 62491), (3289, 61180), (3458, 58190), (3542, 56810), (3703, 54340), (4004, 50255), (4180, 48139), (4186, 48070), (4370, 46046), (4807, 41860), (4940, 40733), (5005, 40204), (5060, 39767), (5290, 38038), (5434, 37030), (5681, 35420), (5819, 34580), (5852, 34385), (5980, 33649), (6118, 32890), (6578, 30590), (6877, 29260), (6916, 29095), (7084, 28405), (7315, 27508), (7406, 27170), (8372, 24035), (8645, 23276), (8740, 23023), (8855, 22724), (9614, 20930), (10010, 20102), (10051, 20020), (10465, 19228), (10580, 19019), (10868, 18515), (11362, 17710), (11638, 17290), (12236, 16445), (13156, 15295), (13585, 14812), (13754, 14630)]