31577980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3823}}^1$

素因数の和:3898

約数の個数: 48

約数和(自身を含む): 77091840

約数和(自身を除く): 45513860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 3823, 4130, 7646, 8260, 15292, 19115, 26761, 38230, 53522, 76460, 107044, 133805, 225557, 267610, 451114, 535220, 902228, 1127785, 1578899, 2255570, 3157798, 4511140, 6315596, 7894495, 15788990, 31577980]

約数ペア:

[(1, 31577980), (2, 15788990), (4, 7894495), (5, 6315596), (7, 4511140), (10, 3157798), (14, 2255570), (20, 1578899), (28, 1127785), (35, 902228), (59, 535220), (70, 451114), (118, 267610), (140, 225557), (236, 133805), (295, 107044), (413, 76460), (590, 53522), (826, 38230), (1180, 26761), (1652, 19115), (2065, 15292), (3823, 8260), (4130, 7646)]