2218212920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:406

約数の個数: 256

約数和(自身を含む): 6566676480

約数和(自身を除く): 4348463560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 173, 181, 184, 220, 230, 253, 280, 308, 322, 346, 362, 385, 440, 460, 506, 616, 644, 692, 724, 770, 805, 865, 905, 920, 1012, 1211, 1265, 1267, 1288, 1384, 1448, 1540, 1610, 1730, 1771, 1810, 1903, 1991, 2024, 2422, 2530, 2534, 3080, 3220, 3460, 3542, 3620, 3806, 3979, 3982, 4163, 4844, 5060, 5068, 6055, 6335, 6440, 6920, 7084, 7240, 7612, 7958, 7964, 8326, 8855, 9515, 9688, 9955, 10120, 10136, 12110, 12670, 13321, 13937, 14168, 15224, 15916, 15928, 16652, 17710, 19030, 19895, 19910, 20815, 24220, 25340, 26642, 27853, 27874, 29141, 31313, 31832, 33304, 35420, 38060, 39790, 39820, 41630, 43769, 45793, 48440, 50680, 53284, 55706, 55748, 58282, 62626, 66605, 69685, 70840, 76120, 79580, 79640, 83260, 87538, 91586, 106568, 111412, 111496, 116564, 125252, 133210, 139265, 139370, 145705, 156565, 159160, 166520, 175076, 183172, 218845, 219191, 222824, 228965, 233128, 250504, 266420, 278530, 278740, 291410, 306383, 313130, 320551, 344443, 350152, 366344, 437690, 438382, 457930, 532840, 557060, 557480, 582820, 612766, 626260, 641102, 688886, 720199, 875380, 876764, 915860, 1095955, 1114120, 1165640, 1225532, 1252520, 1282204, 1377772, 1440398, 1531915, 1602755, 1722215, 1750760, 1753528, 1831720, 2191910, 2411101, 2451064, 2564408, 2755544, 2880796, 3063830, 3205510, 3444430, 3600995, 4383820, 4822202, 5041393, 5761592, 6127660, 6411020, 6888860, 7201990, 7922189, 8767640, 9644404, 10082786, 12055505, 12255320, 12822040, 13777720, 14403980, 15844378, 19288808, 20165572, 24111010, 25206965, 28807960, 31688756, 39610945, 40331144, 48222020, 50413930, 55455323, 63377512, 79221890, 96444040, 100827860, 110910646, 158443780, 201655720, 221821292, 277276615, 316887560, 443642584, 554553230, 1109106460, 2218212920]

約数ペア:

[(1, 2218212920), (2, 1109106460), (4, 554553230), (5, 443642584), (7, 316887560), (8, 277276615), (10, 221821292), (11, 201655720), (14, 158443780), (20, 110910646), (22, 100827860), (23, 96444040), (28, 79221890), (35, 63377512), (40, 55455323), (44, 50413930), (46, 48222020), (55, 40331144), (56, 39610945), (70, 31688756), (77, 28807960), (88, 25206965), (92, 24111010), (110, 20165572), (115, 19288808), (140, 15844378), (154, 14403980), (161, 13777720), (173, 12822040), (181, 12255320), (184, 12055505), (220, 10082786), (230, 9644404), (253, 8767640), (280, 7922189), (308, 7201990), (322, 6888860), (346, 6411020), (362, 6127660), (385, 5761592), (440, 5041393), (460, 4822202), (506, 4383820), (616, 3600995), (644, 3444430), (692, 3205510), (724, 3063830), (770, 2880796), (805, 2755544), (865, 2564408), (905, 2451064), (920, 2411101), (1012, 2191910), (1211, 1831720), (1265, 1753528), (1267, 1750760), (1288, 1722215), (1384, 1602755), (1448, 1531915), (1540, 1440398), (1610, 1377772), (1730, 1282204), (1771, 1252520), (1810, 1225532), (1903, 1165640), (1991, 1114120), (2024, 1095955), (2422, 915860), (2530, 876764), (2534, 875380), (3080, 720199), (3220, 688886), (3460, 641102), (3542, 626260), (3620, 612766), (3806, 582820), (3979, 557480), (3982, 557060), (4163, 532840), (4844, 457930), (5060, 438382), (5068, 437690), (6055, 366344), (6335, 350152), (6440, 344443), (6920, 320551), (7084, 313130), (7240, 306383), (7612, 291410), (7958, 278740), (7964, 278530), (8326, 266420), (8855, 250504), (9515, 233128), (9688, 228965), (9955, 222824), (10120, 219191), (10136, 218845), (12110, 183172), (12670, 175076), (13321, 166520), (13937, 159160), (14168, 156565), (15224, 145705), (15916, 139370), (15928, 139265), (16652, 133210), (17710, 125252), (19030, 116564), (19895, 111496), (19910, 111412), (20815, 106568), (24220, 91586), (25340, 87538), (26642, 83260), (27853, 79640), (27874, 79580), (29141, 76120), (31313, 70840), (31832, 69685), (33304, 66605), (35420, 62626), (38060, 58282), (39790, 55748), (39820, 55706), (41630, 53284), (43769, 50680), (45793, 48440)]