388619410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20551}}^1$

素因数の和:20650

約数の個数: 32

約数和(自身を含む): 733953024

約数和(自身を除く): 345333614

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 18910, 20551, 41102, 102755, 205510, 637081, 1253611, 1274162, 2507222, 3185405, 6268055, 6370810, 12536110, 38861941, 77723882, 194309705, 388619410]

約数ペア:

[(1, 388619410), (2, 194309705), (5, 77723882), (10, 38861941), (31, 12536110), (61, 6370810), (62, 6268055), (122, 3185405), (155, 2507222), (305, 1274162), (310, 1253611), (610, 637081), (1891, 205510), (3782, 102755), (9455, 41102), (18910, 20551)]