31099900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 74370240

約数和(自身を除く): 43270340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 470, 509, 611, 650, 940, 1018, 1175, 1222, 1300, 2036, 2350, 2444, 2545, 3055, 4700, 5090, 6110, 6617, 10180, 12220, 12725, 13234, 15275, 23923, 25450, 26468, 30550, 33085, 47846, 50900, 61100, 66170, 95692, 119615, 132340, 165425, 239230, 310999, 330850, 478460, 598075, 621998, 661700, 1196150, 1243996, 1554995, 2392300, 3109990, 6219980, 7774975, 15549950, 31099900]

約数ペア:

[(1, 31099900), (2, 15549950), (4, 7774975), (5, 6219980), (10, 3109990), (13, 2392300), (20, 1554995), (25, 1243996), (26, 1196150), (47, 661700), (50, 621998), (52, 598075), (65, 478460), (94, 330850), (100, 310999), (130, 239230), (188, 165425), (235, 132340), (260, 119615), (325, 95692), (470, 66170), (509, 61100), (611, 50900), (650, 47846), (940, 33085), (1018, 30550), (1175, 26468), (1222, 25450), (1300, 23923), (2036, 15275), (2350, 13234), (2444, 12725), (2545, 12220), (3055, 10180), (4700, 6617), (5090, 6110)]