4158980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 10166016

約数和(自身を除く): 6007036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 487, 610, 854, 974, 1220, 1708, 1948, 2135, 2435, 3409, 4270, 4870, 6818, 8540, 9740, 13636, 17045, 29707, 34090, 59414, 68180, 118828, 148535, 207949, 297070, 415898, 594140, 831796, 1039745, 2079490, 4158980]

約数ペア:

[(1, 4158980), (2, 2079490), (4, 1039745), (5, 831796), (7, 594140), (10, 415898), (14, 297070), (20, 207949), (28, 148535), (35, 118828), (61, 68180), (70, 59414), (122, 34090), (140, 29707), (244, 17045), (305, 13636), (427, 9740), (487, 8540), (610, 6818), (854, 4870), (974, 4270), (1220, 3409), (1708, 2435), (1948, 2135)]