635725480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 1591591680

約数和(自身を除く): 955866200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 71, 104, 130, 134, 142, 257, 260, 268, 284, 335, 355, 514, 520, 536, 568, 670, 710, 871, 923, 1028, 1285, 1340, 1420, 1742, 1846, 2056, 2570, 2680, 2840, 3341, 3484, 3692, 4355, 4615, 4757, 5140, 6682, 6968, 7384, 8710, 9230, 9514, 10280, 13364, 16705, 17219, 17420, 18247, 18460, 19028, 23785, 26728, 33410, 34438, 34840, 36494, 36920, 38056, 47570, 61841, 66820, 68876, 72988, 86095, 91235, 95140, 123682, 133640, 137752, 145976, 172190, 182470, 190280, 223847, 237211, 247364, 309205, 344380, 364940, 447694, 474422, 494728, 618410, 688760, 729880, 895388, 948844, 1119235, 1186055, 1222549, 1236820, 1790776, 1897688, 2238470, 2372110, 2445098, 2473640, 4476940, 4744220, 4890196, 6112745, 8953880, 9488440, 9780392, 12225490, 15893137, 24450980, 31786274, 48901960, 63572548, 79465685, 127145096, 158931370, 317862740, 635725480]

約数ペア:

[(1, 635725480), (2, 317862740), (4, 158931370), (5, 127145096), (8, 79465685), (10, 63572548), (13, 48901960), (20, 31786274), (26, 24450980), (40, 15893137), (52, 12225490), (65, 9780392), (67, 9488440), (71, 8953880), (104, 6112745), (130, 4890196), (134, 4744220), (142, 4476940), (257, 2473640), (260, 2445098), (268, 2372110), (284, 2238470), (335, 1897688), (355, 1790776), (514, 1236820), (520, 1222549), (536, 1186055), (568, 1119235), (670, 948844), (710, 895388), (871, 729880), (923, 688760), (1028, 618410), (1285, 494728), (1340, 474422), (1420, 447694), (1742, 364940), (1846, 344380), (2056, 309205), (2570, 247364), (2680, 237211), (2840, 223847), (3341, 190280), (3484, 182470), (3692, 172190), (4355, 145976), (4615, 137752), (4757, 133640), (5140, 123682), (6682, 95140), (6968, 91235), (7384, 86095), (8710, 72988), (9230, 68876), (9514, 66820), (10280, 61841), (13364, 47570), (16705, 38056), (17219, 36920), (17420, 36494), (18247, 34840), (18460, 34438), (19028, 33410), (23785, 26728)]