100405640450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{28031}}^1$

素因数の和:29123

約数の個数: 48

約数和(自身を含む): 189579294720

約数和(自身を除く): 89173654270

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1009, 1775, 2018, 3550, 5045, 10090, 25225, 28031, 50450, 56062, 71639, 140155, 143278, 280310, 358195, 700775, 716390, 1401550, 1790975, 1990201, 3581950, 3980402, 9951005, 19902010, 28283279, 49755025, 56566558, 99510050, 141416395, 282832790, 707081975, 1414163950, 2008112809, 4016225618, 10040564045, 20081128090, 50202820225, 100405640450]

約数ペア:

[(1, 100405640450), (2, 50202820225), (5, 20081128090), (10, 10040564045), (25, 4016225618), (50, 2008112809), (71, 1414163950), (142, 707081975), (355, 282832790), (710, 141416395), (1009, 99510050), (1775, 56566558), (2018, 49755025), (3550, 28283279), (5045, 19902010), (10090, 9951005), (25225, 3980402), (28031, 3581950), (50450, 1990201), (56062, 1790975), (71639, 1401550), (140155, 716390), (143278, 700775), (280310, 358195)]