188543240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 440156160

約数和(自身を除く): 251612920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 383, 397, 620, 766, 794, 1240, 1532, 1588, 1915, 1985, 3064, 3176, 3830, 3970, 7660, 7940, 11873, 12307, 15320, 15880, 23746, 24614, 47492, 49228, 59365, 61535, 94984, 98456, 118730, 123070, 152051, 237460, 246140, 304102, 474920, 492280, 608204, 760255, 1216408, 1520510, 3041020, 4713581, 6082040, 9427162, 18854324, 23567905, 37708648, 47135810, 94271620, 188543240]

約数ペア:

[(1, 188543240), (2, 94271620), (4, 47135810), (5, 37708648), (8, 23567905), (10, 18854324), (20, 9427162), (31, 6082040), (40, 4713581), (62, 3041020), (124, 1520510), (155, 1216408), (248, 760255), (310, 608204), (383, 492280), (397, 474920), (620, 304102), (766, 246140), (794, 237460), (1240, 152051), (1532, 123070), (1588, 118730), (1915, 98456), (1985, 94984), (3064, 61535), (3176, 59365), (3830, 49228), (3970, 47492), (7660, 24614), (7940, 23746), (11873, 15880), (12307, 15320)]