401520020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{4973}}^1$

素因数の和:5360

約数の個数: 48

約数和(自身を含む): 922537728

約数和(自身を除く): 521017708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367, 734, 1468, 1835, 3670, 4037, 4973, 7340, 8074, 9946, 16148, 19892, 20185, 24865, 40370, 49730, 54703, 80740, 99460, 109406, 218812, 273515, 547030, 1094060, 1825091, 3650182, 7300364, 9125455, 18250910, 20076001, 36501820, 40152002, 80304004, 100380005, 200760010, 401520020]

約数ペア:

[(1, 401520020), (2, 200760010), (4, 100380005), (5, 80304004), (10, 40152002), (11, 36501820), (20, 20076001), (22, 18250910), (44, 9125455), (55, 7300364), (110, 3650182), (220, 1825091), (367, 1094060), (734, 547030), (1468, 273515), (1835, 218812), (3670, 109406), (4037, 99460), (4973, 80740), (7340, 54703), (8074, 49730), (9946, 40370), (16148, 24865), (19892, 20185)]