396568120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 1008483840

約数和(自身を除く): 611915720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 73, 104, 124, 130, 146, 155, 248, 260, 292, 310, 337, 365, 403, 520, 584, 620, 674, 730, 806, 949, 1240, 1348, 1460, 1612, 1685, 1898, 2015, 2263, 2696, 2920, 3224, 3370, 3796, 4030, 4381, 4526, 4745, 6740, 7592, 8060, 8762, 9052, 9490, 10447, 11315, 13480, 16120, 17524, 18104, 18980, 20894, 21905, 22630, 24601, 29419, 35048, 37960, 41788, 43810, 45260, 49202, 52235, 58838, 83576, 87620, 90520, 98404, 104470, 117676, 123005, 135811, 147095, 175240, 196808, 208940, 235352, 246010, 271622, 294190, 319813, 417880, 492020, 543244, 588380, 639626, 679055, 762631, 984040, 1086488, 1176760, 1279252, 1358110, 1525262, 1599065, 2558504, 2716220, 3050524, 3198130, 3813155, 5432440, 6101048, 6396260, 7626310, 9914203, 12792520, 15252620, 19828406, 30505240, 39656812, 49571015, 79313624, 99142030, 198284060, 396568120]

約数ペア:

[(1, 396568120), (2, 198284060), (4, 99142030), (5, 79313624), (8, 49571015), (10, 39656812), (13, 30505240), (20, 19828406), (26, 15252620), (31, 12792520), (40, 9914203), (52, 7626310), (62, 6396260), (65, 6101048), (73, 5432440), (104, 3813155), (124, 3198130), (130, 3050524), (146, 2716220), (155, 2558504), (248, 1599065), (260, 1525262), (292, 1358110), (310, 1279252), (337, 1176760), (365, 1086488), (403, 984040), (520, 762631), (584, 679055), (620, 639626), (674, 588380), (730, 543244), (806, 492020), (949, 417880), (1240, 319813), (1348, 294190), (1460, 271622), (1612, 246010), (1685, 235352), (1898, 208940), (2015, 196808), (2263, 175240), (2696, 147095), (2920, 135811), (3224, 123005), (3370, 117676), (3796, 104470), (4030, 98404), (4381, 90520), (4526, 87620), (4745, 83576), (6740, 58838), (7592, 52235), (8060, 49202), (8762, 45260), (9052, 43810), (9490, 41788), (10447, 37960), (11315, 35048), (13480, 29419), (16120, 24601), (17524, 22630), (18104, 21905), (18980, 20894)]