31964660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 84991788

約数和(自身を除く): 53027128

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 193, 196, 245, 260, 338, 364, 386, 455, 490, 637, 676, 772, 845, 910, 965, 980, 1183, 1274, 1351, 1690, 1820, 1930, 2366, 2509, 2548, 2702, 3185, 3380, 3860, 4732, 5018, 5404, 5915, 6370, 6755, 8281, 9457, 10036, 11830, 12545, 12740, 13510, 16562, 17563, 18914, 23660, 25090, 27020, 32617, 33124, 35126, 37828, 41405, 47285, 50180, 65234, 70252, 82810, 87815, 94570, 122941, 130468, 163085, 165620, 175630, 189140, 228319, 245882, 326170, 351260, 456638, 491764, 614705, 652340, 913276, 1141595, 1229410, 1598233, 2283190, 2458820, 3196466, 4566380, 6392932, 7991165, 15982330, 31964660]

約数ペア:

[(1, 31964660), (2, 15982330), (4, 7991165), (5, 6392932), (7, 4566380), (10, 3196466), (13, 2458820), (14, 2283190), (20, 1598233), (26, 1229410), (28, 1141595), (35, 913276), (49, 652340), (52, 614705), (65, 491764), (70, 456638), (91, 351260), (98, 326170), (130, 245882), (140, 228319), (169, 189140), (182, 175630), (193, 165620), (196, 163085), (245, 130468), (260, 122941), (338, 94570), (364, 87815), (386, 82810), (455, 70252), (490, 65234), (637, 50180), (676, 47285), (772, 41405), (845, 37828), (910, 35126), (965, 33124), (980, 32617), (1183, 27020), (1274, 25090), (1351, 23660), (1690, 18914), (1820, 17563), (1930, 16562), (2366, 13510), (2509, 12740), (2548, 12545), (2702, 11830), (3185, 10036), (3380, 9457), (3860, 8281), (4732, 6755), (5018, 6370), (5404, 5915)]