409675640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{953}}^1\times {\mathrm{977}}^1$

素因数の和:1952

約数の個数: 64

約数和(自身を含む): 1007652960

約数和(自身を除く): 597977320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 953, 977, 1906, 1954, 3812, 3908, 4765, 4885, 7624, 7816, 9530, 9770, 10483, 10747, 19060, 19540, 20966, 21494, 38120, 39080, 41932, 42988, 52415, 53735, 83864, 85976, 104830, 107470, 209660, 214940, 419320, 429880, 931081, 1862162, 3724324, 4655405, 7448648, 9310810, 10241891, 18621620, 20483782, 37243240, 40967564, 51209455, 81935128, 102418910, 204837820, 409675640]

約数ペア:

[(1, 409675640), (2, 204837820), (4, 102418910), (5, 81935128), (8, 51209455), (10, 40967564), (11, 37243240), (20, 20483782), (22, 18621620), (40, 10241891), (44, 9310810), (55, 7448648), (88, 4655405), (110, 3724324), (220, 1862162), (440, 931081), (953, 429880), (977, 419320), (1906, 214940), (1954, 209660), (3812, 107470), (3908, 104830), (4765, 85976), (4885, 83864), (7624, 53735), (7816, 52415), (9530, 42988), (9770, 41932), (10483, 39080), (10747, 38120), (19060, 21494), (19540, 20966)]