31464760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2179}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 74752200

約数和(自身を除く): 43287440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2179, 2888, 3610, 4358, 7220, 8716, 10895, 14440, 17432, 21790, 41401, 43580, 82802, 87160, 165604, 207005, 331208, 414010, 786619, 828020, 1573238, 1656040, 3146476, 3933095, 6292952, 7866190, 15732380, 31464760]

約数ペア:

[(1, 31464760), (2, 15732380), (4, 7866190), (5, 6292952), (8, 3933095), (10, 3146476), (19, 1656040), (20, 1573238), (38, 828020), (40, 786619), (76, 414010), (95, 331208), (152, 207005), (190, 165604), (361, 87160), (380, 82802), (722, 43580), (760, 41401), (1444, 21790), (1805, 17432), (2179, 14440), (2888, 10895), (3610, 8716), (4358, 7220)]