310890920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3378

約数の個数: 64

約数和(自身を含む): 742348800

約数和(自身を除く): 431457880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 3221, 4826, 5080, 6442, 9652, 12065, 12884, 16105, 19304, 24130, 25768, 32210, 48260, 61199, 64420, 96520, 122398, 128840, 244796, 305995, 409067, 489592, 611990, 818134, 1223980, 1636268, 2045335, 2447960, 3272536, 4090670, 7772273, 8181340, 15544546, 16362680, 31089092, 38861365, 62178184, 77722730, 155445460, 310890920]

約数ペア:

[(1, 310890920), (2, 155445460), (4, 77722730), (5, 62178184), (8, 38861365), (10, 31089092), (19, 16362680), (20, 15544546), (38, 8181340), (40, 7772273), (76, 4090670), (95, 3272536), (127, 2447960), (152, 2045335), (190, 1636268), (254, 1223980), (380, 818134), (508, 611990), (635, 489592), (760, 409067), (1016, 305995), (1270, 244796), (2413, 128840), (2540, 122398), (3221, 96520), (4826, 64420), (5080, 61199), (6442, 48260), (9652, 32210), (12065, 25768), (12884, 24130), (16105, 19304)]