90138620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31517}}^1$

素因数の和:31550

約数の個数: 48

約数和(自身を含む): 222391008

約数和(自身を除く): 132252388

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 31517, 63034, 126068, 157585, 315170, 346687, 409721, 630340, 693374, 819442, 1386748, 1638884, 1733435, 2048605, 3466870, 4097210, 4506931, 6933740, 8194420, 9013862, 18027724, 22534655, 45069310, 90138620]

約数ペア:

[(1, 90138620), (2, 45069310), (4, 22534655), (5, 18027724), (10, 9013862), (11, 8194420), (13, 6933740), (20, 4506931), (22, 4097210), (26, 3466870), (44, 2048605), (52, 1733435), (55, 1638884), (65, 1386748), (110, 819442), (130, 693374), (143, 630340), (220, 409721), (260, 346687), (286, 315170), (572, 157585), (715, 126068), (1430, 63034), (2860, 31517)]