221346580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 622056960

約数和(自身を除く): 400710380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 52, 65, 70, 74, 76, 91, 95, 130, 133, 140, 148, 173, 182, 185, 190, 247, 259, 260, 266, 346, 364, 370, 380, 455, 481, 494, 518, 532, 665, 692, 703, 740, 865, 910, 962, 988, 1036, 1211, 1235, 1295, 1330, 1406, 1729, 1730, 1820, 1924, 2249, 2405, 2422, 2470, 2590, 2660, 2812, 3287, 3367, 3458, 3460, 3515, 4498, 4810, 4844, 4921, 4940, 5180, 6055, 6401, 6574, 6734, 6916, 7030, 8645, 8996, 9139, 9620, 9842, 11245, 12110, 12802, 13148, 13468, 14060, 15743, 16435, 16835, 17290, 18278, 19684, 22490, 23009, 24220, 24605, 25604, 31486, 32005, 32870, 33670, 34580, 36556, 42731, 44807, 44980, 45695, 46018, 49210, 62972, 63973, 64010, 65740, 67340, 78715, 83213, 85462, 89614, 91390, 92036, 98420, 115045, 121619, 127946, 128020, 157430, 166426, 170924, 179228, 182780, 213655, 224035, 230090, 243238, 255892, 299117, 314860, 319865, 332852, 416065, 427310, 448070, 460180, 486476, 582491, 598234, 608095, 639730, 832130, 851333, 854620, 896140, 1164982, 1196468, 1216190, 1279460, 1495585, 1581047, 1664260, 1702666, 2329964, 2432380, 2912455, 2991170, 3162094, 3405332, 4256665, 5824910, 5982340, 6324188, 7905235, 8513330, 11067329, 11649820, 15810470, 17026660, 22134658, 31620940, 44269316, 55336645, 110673290, 221346580]

約数ペア:

[(1, 221346580), (2, 110673290), (4, 55336645), (5, 44269316), (7, 31620940), (10, 22134658), (13, 17026660), (14, 15810470), (19, 11649820), (20, 11067329), (26, 8513330), (28, 7905235), (35, 6324188), (37, 5982340), (38, 5824910), (52, 4256665), (65, 3405332), (70, 3162094), (74, 2991170), (76, 2912455), (91, 2432380), (95, 2329964), (130, 1702666), (133, 1664260), (140, 1581047), (148, 1495585), (173, 1279460), (182, 1216190), (185, 1196468), (190, 1164982), (247, 896140), (259, 854620), (260, 851333), (266, 832130), (346, 639730), (364, 608095), (370, 598234), (380, 582491), (455, 486476), (481, 460180), (494, 448070), (518, 427310), (532, 416065), (665, 332852), (692, 319865), (703, 314860), (740, 299117), (865, 255892), (910, 243238), (962, 230090), (988, 224035), (1036, 213655), (1211, 182780), (1235, 179228), (1295, 170924), (1330, 166426), (1406, 157430), (1729, 128020), (1730, 127946), (1820, 121619), (1924, 115045), (2249, 98420), (2405, 92036), (2422, 91390), (2470, 89614), (2590, 85462), (2660, 83213), (2812, 78715), (3287, 67340), (3367, 65740), (3458, 64010), (3460, 63973), (3515, 62972), (4498, 49210), (4810, 46018), (4844, 45695), (4921, 44980), (4940, 44807), (5180, 42731), (6055, 36556), (6401, 34580), (6574, 33670), (6734, 32870), (6916, 32005), (7030, 31486), (8645, 25604), (8996, 24605), (9139, 24220), (9620, 23009), (9842, 22490), (11245, 19684), (12110, 18278), (12802, 17290), (13148, 16835), (13468, 16435), (14060, 15743)]