90533480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 216216000

約数和(自身を除く): 125682520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 857, 1112, 1390, 1714, 2641, 2780, 3428, 4285, 5282, 5560, 6856, 8570, 10564, 13205, 16283, 17140, 21128, 26410, 32566, 34280, 52820, 65132, 81415, 105640, 119123, 130264, 162830, 238246, 325660, 476492, 595615, 651320, 952984, 1191230, 2263337, 2382460, 4526674, 4764920, 9053348, 11316685, 18106696, 22633370, 45266740, 90533480]

約数ペア:

[(1, 90533480), (2, 45266740), (4, 22633370), (5, 18106696), (8, 11316685), (10, 9053348), (19, 4764920), (20, 4526674), (38, 2382460), (40, 2263337), (76, 1191230), (95, 952984), (139, 651320), (152, 595615), (190, 476492), (278, 325660), (380, 238246), (556, 162830), (695, 130264), (760, 119123), (857, 105640), (1112, 81415), (1390, 65132), (1714, 52820), (2641, 34280), (2780, 32566), (3428, 26410), (4285, 21128), (5282, 17140), (5560, 16283), (6856, 13205), (8570, 10564)]