7474390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 17791488

約数和(自身を除く): 10317098

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 571, 595, 770, 935, 1142, 1190, 1309, 1870, 2618, 2855, 3997, 5710, 6281, 6545, 7994, 9707, 12562, 13090, 19414, 19985, 31405, 39970, 43967, 48535, 62810, 67949, 87934, 97070, 106777, 135898, 213554, 219835, 339745, 439670, 533885, 679490, 747439, 1067770, 1494878, 3737195, 7474390]

約数ペア:

[(1, 7474390), (2, 3737195), (5, 1494878), (7, 1067770), (10, 747439), (11, 679490), (14, 533885), (17, 439670), (22, 339745), (34, 219835), (35, 213554), (55, 135898), (70, 106777), (77, 97070), (85, 87934), (110, 67949), (119, 62810), (154, 48535), (170, 43967), (187, 39970), (238, 31405), (374, 19985), (385, 19414), (571, 13090), (595, 12562), (770, 9707), (935, 7994), (1142, 6545), (1190, 6281), (1309, 5710), (1870, 3997), (2618, 2855)]