129115240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 299439360

約数和(自身を除く): 170324120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 271, 277, 344, 430, 542, 554, 860, 1084, 1108, 1355, 1385, 1720, 2168, 2216, 2710, 2770, 5420, 5540, 10840, 11080, 11653, 11911, 23306, 23822, 46612, 47644, 58265, 59555, 75067, 93224, 95288, 116530, 119110, 150134, 233060, 238220, 300268, 375335, 466120, 476440, 600536, 750670, 1501340, 3002680, 3227881, 6455762, 12911524, 16139405, 25823048, 32278810, 64557620, 129115240]

約数ペア:

[(1, 129115240), (2, 64557620), (4, 32278810), (5, 25823048), (8, 16139405), (10, 12911524), (20, 6455762), (40, 3227881), (43, 3002680), (86, 1501340), (172, 750670), (215, 600536), (271, 476440), (277, 466120), (344, 375335), (430, 300268), (542, 238220), (554, 233060), (860, 150134), (1084, 119110), (1108, 116530), (1355, 95288), (1385, 93224), (1720, 75067), (2168, 59555), (2216, 58265), (2710, 47644), (2770, 46612), (5420, 23822), (5540, 23306), (10840, 11911), (11080, 11653)]