8406223880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 19827244800

約数和(自身を除く): 11421020920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 109, 148, 185, 214, 218, 296, 370, 428, 436, 487, 535, 545, 740, 856, 872, 974, 1070, 1090, 1480, 1948, 2140, 2180, 2435, 3896, 3959, 4033, 4280, 4360, 4870, 7918, 8066, 9740, 11663, 15836, 16132, 18019, 19480, 19795, 20165, 23326, 31672, 32264, 36038, 39590, 40330, 46652, 52109, 53083, 58315, 72076, 79180, 80660, 90095, 93304, 104218, 106166, 116630, 144152, 158360, 161320, 180190, 208436, 212332, 233260, 260545, 265415, 360380, 416872, 424664, 431531, 466520, 521090, 530830, 720760, 863062, 1042180, 1061660, 1726124, 1928033, 1964071, 2084360, 2123320, 2157655, 3452248, 3856066, 3928142, 4315310, 5679881, 7712132, 7856284, 8630620, 9640165, 9820355, 11359762, 15424264, 15712568, 17261240, 19280330, 19640710, 22719524, 28399405, 38560660, 39281420, 45439048, 56798810, 77121320, 78562840, 113597620, 210155597, 227195240, 420311194, 840622388, 1050777985, 1681244776, 2101555970, 4203111940, 8406223880]

約数ペア:

[(1, 8406223880), (2, 4203111940), (4, 2101555970), (5, 1681244776), (8, 1050777985), (10, 840622388), (20, 420311194), (37, 227195240), (40, 210155597), (74, 113597620), (107, 78562840), (109, 77121320), (148, 56798810), (185, 45439048), (214, 39281420), (218, 38560660), (296, 28399405), (370, 22719524), (428, 19640710), (436, 19280330), (487, 17261240), (535, 15712568), (545, 15424264), (740, 11359762), (856, 9820355), (872, 9640165), (974, 8630620), (1070, 7856284), (1090, 7712132), (1480, 5679881), (1948, 4315310), (2140, 3928142), (2180, 3856066), (2435, 3452248), (3896, 2157655), (3959, 2123320), (4033, 2084360), (4280, 1964071), (4360, 1928033), (4870, 1726124), (7918, 1061660), (8066, 1042180), (9740, 863062), (11663, 720760), (15836, 530830), (16132, 521090), (18019, 466520), (19480, 431531), (19795, 424664), (20165, 416872), (23326, 360380), (31672, 265415), (32264, 260545), (36038, 233260), (39590, 212332), (40330, 208436), (46652, 180190), (52109, 161320), (53083, 158360), (58315, 144152), (72076, 116630), (79180, 106166), (80660, 104218), (90095, 93304)]