31243030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 73785600

約数和(自身を除く): 42542570

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 139, 169, 182, 190, 247, 266, 278, 338, 455, 494, 665, 695, 845, 910, 973, 1183, 1235, 1330, 1390, 1690, 1729, 1807, 1946, 2366, 2470, 2641, 3211, 3458, 3614, 4865, 5282, 5915, 6422, 8645, 9035, 9730, 11830, 12649, 13205, 16055, 17290, 18070, 18487, 22477, 23491, 25298, 26410, 32110, 34333, 36974, 44954, 46982, 63245, 68666, 92435, 112385, 117455, 126490, 164437, 171665, 184870, 224770, 234910, 240331, 328874, 343330, 446329, 480662, 822185, 892658, 1201655, 1644370, 2231645, 2403310, 3124303, 4463290, 6248606, 15621515, 31243030]

約数ペア:

[(1, 31243030), (2, 15621515), (5, 6248606), (7, 4463290), (10, 3124303), (13, 2403310), (14, 2231645), (19, 1644370), (26, 1201655), (35, 892658), (38, 822185), (65, 480662), (70, 446329), (91, 343330), (95, 328874), (130, 240331), (133, 234910), (139, 224770), (169, 184870), (182, 171665), (190, 164437), (247, 126490), (266, 117455), (278, 112385), (338, 92435), (455, 68666), (494, 63245), (665, 46982), (695, 44954), (845, 36974), (910, 34333), (973, 32110), (1183, 26410), (1235, 25298), (1330, 23491), (1390, 22477), (1690, 18487), (1729, 18070), (1807, 17290), (1946, 16055), (2366, 13205), (2470, 12649), (2641, 11830), (3211, 9730), (3458, 9035), (3614, 8645), (4865, 6422), (5282, 5915)]