400906488

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 1020764160

約数和(自身を除く): 619857672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 127, 206, 254, 309, 381, 412, 508, 618, 762, 824, 1016, 1236, 1277, 1524, 2472, 2554, 3048, 3831, 5108, 7662, 10216, 13081, 15324, 26162, 30648, 39243, 52324, 78486, 104648, 131531, 156972, 162179, 263062, 313944, 324358, 394593, 486537, 526124, 648716, 789186, 973074, 1052248, 1297432, 1578372, 1946148, 3156744, 3892296, 16704437, 33408874, 50113311, 66817748, 100226622, 133635496, 200453244, 400906488]

約数ペア:

[(1, 400906488), (2, 200453244), (3, 133635496), (4, 100226622), (6, 66817748), (8, 50113311), (12, 33408874), (24, 16704437), (103, 3892296), (127, 3156744), (206, 1946148), (254, 1578372), (309, 1297432), (381, 1052248), (412, 973074), (508, 789186), (618, 648716), (762, 526124), (824, 486537), (1016, 394593), (1236, 324358), (1277, 313944), (1524, 263062), (2472, 162179), (2554, 156972), (3048, 131531), (3831, 104648), (5108, 78486), (7662, 52324), (10216, 39243), (13081, 30648), (15324, 26162)]