222777620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2791}}^1$

素因数の和:3120

約数の個数: 48

約数和(自身を含む): 505642368

約数和(自身を除く): 282864748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 1228, 1535, 2791, 3070, 3991, 5582, 6140, 7982, 11164, 13955, 15964, 19955, 27910, 36283, 39910, 55820, 72566, 79820, 145132, 181415, 362830, 725660, 856837, 1713674, 3427348, 4284185, 8568370, 11138881, 17136740, 22277762, 44555524, 55694405, 111388810, 222777620]

約数ペア:

[(1, 222777620), (2, 111388810), (4, 55694405), (5, 44555524), (10, 22277762), (13, 17136740), (20, 11138881), (26, 8568370), (52, 4284185), (65, 3427348), (130, 1713674), (260, 856837), (307, 725660), (614, 362830), (1228, 181415), (1535, 145132), (2791, 79820), (3070, 72566), (3991, 55820), (5582, 39910), (6140, 36283), (7982, 27910), (11164, 19955), (13955, 15964)]