5271620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 11718000

約数和(自身を除く): 6446380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 149, 244, 290, 298, 305, 580, 596, 610, 745, 1220, 1490, 1769, 2980, 3538, 4321, 7076, 8642, 8845, 9089, 17284, 17690, 18178, 21605, 35380, 36356, 43210, 45445, 86420, 90890, 181780, 263581, 527162, 1054324, 1317905, 2635810, 5271620]

約数ペア:

[(1, 5271620), (2, 2635810), (4, 1317905), (5, 1054324), (10, 527162), (20, 263581), (29, 181780), (58, 90890), (61, 86420), (116, 45445), (122, 43210), (145, 36356), (149, 35380), (244, 21605), (290, 18178), (298, 17690), (305, 17284), (580, 9089), (596, 8845), (610, 8642), (745, 7076), (1220, 4321), (1490, 3538), (1769, 2980)]