388139940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16979}}^1$

素因数の和:17121

約数の個数: 72

約数和(自身を含む): 1186698240

約数和(自身を除く): 798558300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 16979, 22860, 33958, 50937, 67916, 84895, 101874, 152811, 169790, 203748, 254685, 305622, 339580, 509370, 611244, 764055, 1018740, 1528110, 2156333, 3056220, 4312666, 6468999, 8625332, 10781665, 12937998, 19406997, 21563330, 25875996, 32344995, 38813994, 43126660, 64689990, 77627988, 97034985, 129379980, 194069970, 388139940]

約数ペア:

[(1, 388139940), (2, 194069970), (3, 129379980), (4, 97034985), (5, 77627988), (6, 64689990), (9, 43126660), (10, 38813994), (12, 32344995), (15, 25875996), (18, 21563330), (20, 19406997), (30, 12937998), (36, 10781665), (45, 8625332), (60, 6468999), (90, 4312666), (127, 3056220), (180, 2156333), (254, 1528110), (381, 1018740), (508, 764055), (635, 611244), (762, 509370), (1143, 339580), (1270, 305622), (1524, 254685), (1905, 203748), (2286, 169790), (2540, 152811), (3810, 101874), (4572, 84895), (5715, 67916), (7620, 50937), (11430, 33958), (16979, 22860)]