77888260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 167832000

約数和(自身を除く): 89943740

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 236, 295, 298, 443, 590, 596, 745, 886, 1180, 1490, 1772, 2215, 2980, 4430, 8791, 8860, 17582, 26137, 35164, 43955, 52274, 66007, 87910, 104548, 130685, 132014, 175820, 261370, 264028, 330035, 522740, 660070, 1320140, 3894413, 7788826, 15577652, 19472065, 38944130, 77888260]

約数ペア:

[(1, 77888260), (2, 38944130), (4, 19472065), (5, 15577652), (10, 7788826), (20, 3894413), (59, 1320140), (118, 660070), (149, 522740), (236, 330035), (295, 264028), (298, 261370), (443, 175820), (590, 132014), (596, 130685), (745, 104548), (886, 87910), (1180, 66007), (1490, 52274), (1772, 43955), (2215, 35164), (2980, 26137), (4430, 17582), (8791, 8860)]