72488990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54503}}^1$

素因数の和:54536

約数の個数: 32

約数和(自身を含む): 156971520

約数和(自身を除く): 84482530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 54503, 109006, 272515, 381521, 545030, 763042, 1035557, 1907605, 2071114, 3815210, 5177785, 7248899, 10355570, 14497798, 36244495, 72488990]

約数ペア:

[(1, 72488990), (2, 36244495), (5, 14497798), (7, 10355570), (10, 7248899), (14, 5177785), (19, 3815210), (35, 2071114), (38, 1907605), (70, 1035557), (95, 763042), (133, 545030), (190, 381521), (266, 272515), (665, 109006), (1330, 54503)]