396241720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{1283}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 1020625920

約数和(自身を除く): 624384200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1103, 1283, 2206, 2566, 4412, 5132, 5515, 6415, 7721, 8824, 8981, 10264, 11030, 12830, 15442, 17962, 22060, 25660, 30884, 35924, 38605, 44120, 44905, 51320, 61768, 71848, 77210, 89810, 154420, 179620, 308840, 359240, 1415149, 2830298, 5660596, 7075745, 9906043, 11321192, 14151490, 19812086, 28302980, 39624172, 49530215, 56605960, 79248344, 99060430, 198120860, 396241720]

約数ペア:

[(1, 396241720), (2, 198120860), (4, 99060430), (5, 79248344), (7, 56605960), (8, 49530215), (10, 39624172), (14, 28302980), (20, 19812086), (28, 14151490), (35, 11321192), (40, 9906043), (56, 7075745), (70, 5660596), (140, 2830298), (280, 1415149), (1103, 359240), (1283, 308840), (2206, 179620), (2566, 154420), (4412, 89810), (5132, 77210), (5515, 71848), (6415, 61768), (7721, 51320), (8824, 44905), (8981, 44120), (10264, 38605), (11030, 35924), (12830, 30884), (15442, 25660), (17962, 22060)]