31042900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 78356096

約数和(自身を除く): 47313196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 727, 854, 1220, 1454, 1525, 1708, 2135, 2908, 3050, 3635, 4270, 5089, 6100, 7270, 8540, 10178, 10675, 14540, 18175, 20356, 21350, 25445, 36350, 42700, 44347, 50890, 72700, 88694, 101780, 127225, 177388, 221735, 254450, 310429, 443470, 508900, 620858, 886940, 1108675, 1241716, 1552145, 2217350, 3104290, 4434700, 6208580, 7760725, 15521450, 31042900]

約数ペア:

[(1, 31042900), (2, 15521450), (4, 7760725), (5, 6208580), (7, 4434700), (10, 3104290), (14, 2217350), (20, 1552145), (25, 1241716), (28, 1108675), (35, 886940), (50, 620858), (61, 508900), (70, 443470), (100, 310429), (122, 254450), (140, 221735), (175, 177388), (244, 127225), (305, 101780), (350, 88694), (427, 72700), (610, 50890), (700, 44347), (727, 42700), (854, 36350), (1220, 25445), (1454, 21350), (1525, 20356), (1708, 18175), (2135, 14540), (2908, 10675), (3050, 10178), (3635, 8540), (4270, 7270), (5089, 6100)]