201813015100

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1889}}^1\times {\mathrm{2141}}^1$

素因数の和:4543

約数の個数: 72

約数和(自身を含む): 439249230000

約数和(自身を除く): 237436214900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1889, 1996, 2141, 2495, 3778, 4282, 4990, 7556, 8564, 9445, 9980, 10705, 12475, 18890, 21410, 24950, 37780, 42820, 47225, 49900, 53525, 94450, 107050, 188900, 214100, 942611, 1068359, 1885222, 2136718, 3770444, 4044349, 4273436, 4713055, 5341795, 8088698, 9426110, 10683590, 16177396, 18852220, 20221745, 21367180, 23565275, 26708975, 40443490, 47130550, 53417950, 80886980, 94261100, 101108725, 106835900, 202217450, 404434900, 2018130151, 4036260302, 8072520604, 10090650755, 20181301510, 40362603020, 50453253775, 100906507550, 201813015100]

約数ペア:

[(1, 201813015100), (2, 100906507550), (4, 50453253775), (5, 40362603020), (10, 20181301510), (20, 10090650755), (25, 8072520604), (50, 4036260302), (100, 2018130151), (499, 404434900), (998, 202217450), (1889, 106835900), (1996, 101108725), (2141, 94261100), (2495, 80886980), (3778, 53417950), (4282, 47130550), (4990, 40443490), (7556, 26708975), (8564, 23565275), (9445, 21367180), (9980, 20221745), (10705, 18852220), (12475, 16177396), (18890, 10683590), (21410, 9426110), (24950, 8088698), (37780, 5341795), (42820, 4713055), (47225, 4273436), (49900, 4044349), (53525, 3770444), (94450, 2136718), (107050, 1885222), (188900, 1068359), (214100, 942611)]