397710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{491}}^1$

素因数の和:510

約数の個数: 40

約数和(自身を含む): 1071576

約数和(自身を除く): 673866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 491, 810, 982, 1473, 2455, 2946, 4419, 4910, 7365, 8838, 13257, 14730, 22095, 26514, 39771, 44190, 66285, 79542, 132570, 198855, 397710]

約数ペア:

[(1, 397710), (2, 198855), (3, 132570), (5, 79542), (6, 66285), (9, 44190), (10, 39771), (15, 26514), (18, 22095), (27, 14730), (30, 13257), (45, 8838), (54, 7365), (81, 4910), (90, 4419), (135, 2946), (162, 2455), (270, 1473), (405, 982), (491, 810)]