7208620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 15876000

約数和(自身を除く): 8667380

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 149, 164, 205, 236, 295, 298, 410, 590, 596, 745, 820, 1180, 1490, 2419, 2980, 4838, 6109, 8791, 9676, 12095, 12218, 17582, 24190, 24436, 30545, 35164, 43955, 48380, 61090, 87910, 122180, 175820, 360431, 720862, 1441724, 1802155, 3604310, 7208620]

約数ペア:

[(1, 7208620), (2, 3604310), (4, 1802155), (5, 1441724), (10, 720862), (20, 360431), (41, 175820), (59, 122180), (82, 87910), (118, 61090), (149, 48380), (164, 43955), (205, 35164), (236, 30545), (295, 24436), (298, 24190), (410, 17582), (590, 12218), (596, 12095), (745, 9676), (820, 8791), (1180, 6109), (1490, 4838), (2419, 2980)]