17908240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 48175488

約数和(自身を除く): 30267248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 283, 452, 560, 565, 566, 791, 904, 1130, 1132, 1415, 1582, 1808, 1981, 2260, 2264, 2830, 3164, 3955, 3962, 4520, 4528, 5660, 6328, 7910, 7924, 9040, 9905, 11320, 12656, 15820, 15848, 19810, 22640, 31640, 31696, 31979, 39620, 63280, 63958, 79240, 127916, 158480, 159895, 223853, 255832, 319790, 447706, 511664, 639580, 895412, 1119265, 1279160, 1790824, 2238530, 2558320, 3581648, 4477060, 8954120, 17908240]

約数ペア:

[(1, 17908240), (2, 8954120), (4, 4477060), (5, 3581648), (7, 2558320), (8, 2238530), (10, 1790824), (14, 1279160), (16, 1119265), (20, 895412), (28, 639580), (35, 511664), (40, 447706), (56, 319790), (70, 255832), (80, 223853), (112, 159895), (113, 158480), (140, 127916), (226, 79240), (280, 63958), (283, 63280), (452, 39620), (560, 31979), (565, 31696), (566, 31640), (791, 22640), (904, 19810), (1130, 15848), (1132, 15820), (1415, 12656), (1582, 11320), (1808, 9905), (1981, 9040), (2260, 7924), (2264, 7910), (2830, 6328), (3164, 5660), (3955, 4528), (3962, 4520)]