406205710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21481}}^1$

素因数の和:21580

約数の個数: 32

約数和(自身を含む): 767165184

約数和(自身を除く): 360959474

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 18910, 21481, 42962, 107405, 214810, 665911, 1310341, 1331822, 2620682, 3329555, 6551705, 6659110, 13103410, 40620571, 81241142, 203102855, 406205710]

約数ペア:

[(1, 406205710), (2, 203102855), (5, 81241142), (10, 40620571), (31, 13103410), (61, 6659110), (62, 6551705), (122, 3329555), (155, 2620682), (305, 1331822), (310, 1310341), (610, 665911), (1891, 214810), (3782, 107405), (9455, 42962), (18910, 21481)]