129958820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{797}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 283143168

約数和(自身を除く): 153184348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 526, 620, 797, 1052, 1315, 1594, 2630, 3188, 3985, 5260, 7970, 8153, 15940, 16306, 24707, 32612, 40765, 49414, 81530, 98828, 123535, 163060, 209611, 247070, 419222, 494140, 838444, 1048055, 2096110, 4192220, 6497941, 12995882, 25991764, 32489705, 64979410, 129958820]

約数ペア:

[(1, 129958820), (2, 64979410), (4, 32489705), (5, 25991764), (10, 12995882), (20, 6497941), (31, 4192220), (62, 2096110), (124, 1048055), (155, 838444), (263, 494140), (310, 419222), (526, 247070), (620, 209611), (797, 163060), (1052, 123535), (1315, 98828), (1594, 81530), (2630, 49414), (3188, 40765), (3985, 32612), (5260, 24707), (7970, 16306), (8153, 15940)]