220753480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3359}}^1$

素因数の和:3454

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 301793720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 3286, 3359, 6572, 6718, 8215, 13144, 13436, 16430, 16795, 26872, 32860, 33590, 65720, 67180, 104129, 134360, 178027, 208258, 356054, 416516, 520645, 712108, 833032, 890135, 1041290, 1424216, 1780270, 2082580, 3560540, 4165160, 5518837, 7121080, 11037674, 22075348, 27594185, 44150696, 55188370, 110376740, 220753480]

約数ペア:

[(1, 220753480), (2, 110376740), (4, 55188370), (5, 44150696), (8, 27594185), (10, 22075348), (20, 11037674), (31, 7121080), (40, 5518837), (53, 4165160), (62, 3560540), (106, 2082580), (124, 1780270), (155, 1424216), (212, 1041290), (248, 890135), (265, 833032), (310, 712108), (424, 520645), (530, 416516), (620, 356054), (1060, 208258), (1240, 178027), (1643, 134360), (2120, 104129), (3286, 67180), (3359, 65720), (6572, 33590), (6718, 32860), (8215, 26872), (13144, 16795), (13436, 16430)]