90803720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324299}}^1$

素因数の和:324317

約数の個数: 32

約数和(自身を含む): 233496000

約数和(自身を除く): 142692280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324299, 648598, 1297196, 1621495, 2270093, 2594392, 3242990, 4540186, 6485980, 9080372, 11350465, 12971960, 18160744, 22700930, 45401860, 90803720]

約数ペア:

[(1, 90803720), (2, 45401860), (4, 22700930), (5, 18160744), (7, 12971960), (8, 11350465), (10, 9080372), (14, 6485980), (20, 4540186), (28, 3242990), (35, 2594392), (40, 2270093), (56, 1621495), (70, 1297196), (140, 648598), (280, 324299)]