128179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 319382784

約数和(自身を除く): 191202844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 137, 140, 163, 164, 205, 274, 287, 326, 410, 548, 574, 652, 685, 815, 820, 959, 1141, 1148, 1370, 1435, 1630, 1918, 2282, 2740, 2870, 3260, 3836, 4564, 4795, 5617, 5705, 5740, 6683, 9590, 11234, 11410, 13366, 19180, 22331, 22468, 22820, 26732, 28085, 33415, 39319, 44662, 46781, 56170, 66830, 78638, 89324, 93562, 111655, 112340, 133660, 156317, 157276, 187124, 196595, 223310, 233905, 312634, 393190, 446620, 467810, 625268, 781585, 786380, 915571, 935620, 1563170, 1831142, 3126340, 3662284, 4577855, 6408997, 9155710, 12817994, 18311420, 25635988, 32044985, 64089970, 128179940]

約数ペア:

[(1, 128179940), (2, 64089970), (4, 32044985), (5, 25635988), (7, 18311420), (10, 12817994), (14, 9155710), (20, 6408997), (28, 4577855), (35, 3662284), (41, 3126340), (70, 1831142), (82, 1563170), (137, 935620), (140, 915571), (163, 786380), (164, 781585), (205, 625268), (274, 467810), (287, 446620), (326, 393190), (410, 312634), (548, 233905), (574, 223310), (652, 196595), (685, 187124), (815, 157276), (820, 156317), (959, 133660), (1141, 112340), (1148, 111655), (1370, 93562), (1435, 89324), (1630, 78638), (1918, 66830), (2282, 56170), (2740, 46781), (2870, 44662), (3260, 39319), (3836, 33415), (4564, 28085), (4795, 26732), (5617, 22820), (5705, 22468), (5740, 22331), (6683, 19180), (9590, 13366), (11234, 11410)]