90420680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{46133}}^1$

素因数の和:46158

約数の個数: 48

約数和(自身を含む): 236667420

約数和(自身を除く): 146246740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 46133, 92266, 184532, 230665, 322931, 369064, 461330, 645862, 922660, 1291724, 1614655, 1845320, 2260517, 2583448, 3229310, 4521034, 6458620, 9042068, 11302585, 12917240, 18084136, 22605170, 45210340, 90420680]

約数ペア:

[(1, 90420680), (2, 45210340), (4, 22605170), (5, 18084136), (7, 12917240), (8, 11302585), (10, 9042068), (14, 6458620), (20, 4521034), (28, 3229310), (35, 2583448), (40, 2260517), (49, 1845320), (56, 1614655), (70, 1291724), (98, 922660), (140, 645862), (196, 461330), (245, 369064), (280, 322931), (392, 230665), (490, 184532), (980, 92266), (1960, 46133)]