2695590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 7137936

約数和(自身を除く): 4442346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 491, 549, 610, 915, 982, 1098, 1473, 1830, 2455, 2745, 2946, 4419, 4910, 5490, 7365, 8838, 14730, 22095, 29951, 44190, 59902, 89853, 149755, 179706, 269559, 299510, 449265, 539118, 898530, 1347795, 2695590]

約数ペア:

[(1, 2695590), (2, 1347795), (3, 898530), (5, 539118), (6, 449265), (9, 299510), (10, 269559), (15, 179706), (18, 149755), (30, 89853), (45, 59902), (61, 44190), (90, 29951), (122, 22095), (183, 14730), (305, 8838), (366, 7365), (491, 5490), (549, 4910), (610, 4419), (915, 2946), (982, 2745), (1098, 2455), (1473, 1830)]