611380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 1604736

約数和(自身を除く): 993356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 397, 770, 794, 1540, 1588, 1985, 2779, 3970, 4367, 5558, 7940, 8734, 11116, 13895, 17468, 21835, 27790, 30569, 43670, 55580, 61138, 87340, 122276, 152845, 305690, 611380]

約数ペア:

[(1, 611380), (2, 305690), (4, 152845), (5, 122276), (7, 87340), (10, 61138), (11, 55580), (14, 43670), (20, 30569), (22, 27790), (28, 21835), (35, 17468), (44, 13895), (55, 11116), (70, 8734), (77, 7940), (110, 5558), (140, 4367), (154, 3970), (220, 2779), (308, 1985), (385, 1588), (397, 1540), (770, 794)]