207838640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 495155808

約数和(自身を除く): 287317168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 113, 166, 226, 277, 332, 415, 452, 554, 565, 664, 830, 904, 1108, 1130, 1328, 1385, 1660, 1808, 2216, 2260, 2770, 3320, 4432, 4520, 5540, 6640, 9040, 9379, 11080, 18758, 22160, 22991, 31301, 37516, 45982, 46895, 62602, 75032, 91964, 93790, 114955, 125204, 150064, 156505, 183928, 187580, 229910, 250408, 313010, 367856, 375160, 459820, 500816, 626020, 750320, 919640, 1252040, 1839280, 2504080, 2597983, 5195966, 10391932, 12989915, 20783864, 25979830, 41567728, 51959660, 103919320, 207838640]

約数ペア:

[(1, 207838640), (2, 103919320), (4, 51959660), (5, 41567728), (8, 25979830), (10, 20783864), (16, 12989915), (20, 10391932), (40, 5195966), (80, 2597983), (83, 2504080), (113, 1839280), (166, 1252040), (226, 919640), (277, 750320), (332, 626020), (415, 500816), (452, 459820), (554, 375160), (565, 367856), (664, 313010), (830, 250408), (904, 229910), (1108, 187580), (1130, 183928), (1328, 156505), (1385, 150064), (1660, 125204), (1808, 114955), (2216, 93790), (2260, 91964), (2770, 75032), (3320, 62602), (4432, 46895), (4520, 45982), (5540, 37516), (6640, 31301), (9040, 22991), (9379, 22160), (11080, 18758)]