201238280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1481}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 469497600

約数和(自身を除く): 268259320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1481, 1580, 1720, 2962, 3160, 3397, 5924, 6794, 7405, 11848, 13588, 14810, 16985, 27176, 29620, 33970, 59240, 63683, 67940, 116999, 127366, 135880, 233998, 254732, 318415, 467996, 509464, 584995, 636830, 935992, 1169990, 1273660, 2339980, 2547320, 4679960, 5030957, 10061914, 20123828, 25154785, 40247656, 50309570, 100619140, 201238280]

約数ペア:

[(1, 201238280), (2, 100619140), (4, 50309570), (5, 40247656), (8, 25154785), (10, 20123828), (20, 10061914), (40, 5030957), (43, 4679960), (79, 2547320), (86, 2339980), (158, 1273660), (172, 1169990), (215, 935992), (316, 636830), (344, 584995), (395, 509464), (430, 467996), (632, 318415), (790, 254732), (860, 233998), (1481, 135880), (1580, 127366), (1720, 116999), (2962, 67940), (3160, 63683), (3397, 59240), (5924, 33970), (6794, 29620), (7405, 27176), (11848, 16985), (13588, 14810)]