788367520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{289841}}^1$

素因数の和:289873

約数の個数: 48

約数和(自身を含む): 1972084968

約数和(自身を除く): 1183717448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 289841, 579682, 1159364, 1449205, 2318728, 2898410, 4637456, 4927297, 5796820, 9274912, 9854594, 11593640, 19709188, 23187280, 24636485, 39418376, 46374560, 49272970, 78836752, 98545940, 157673504, 197091880, 394183760, 788367520]

約数ペア:

[(1, 788367520), (2, 394183760), (4, 197091880), (5, 157673504), (8, 98545940), (10, 78836752), (16, 49272970), (17, 46374560), (20, 39418376), (32, 24636485), (34, 23187280), (40, 19709188), (68, 11593640), (80, 9854594), (85, 9274912), (136, 5796820), (160, 4927297), (170, 4637456), (272, 2898410), (340, 2318728), (544, 1449205), (680, 1159364), (1360, 579682), (2720, 289841)]