316880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 783432

約数和(自身を除く): 466552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 233, 272, 340, 466, 680, 932, 1165, 1360, 1864, 2330, 3728, 3961, 4660, 7922, 9320, 15844, 18640, 19805, 31688, 39610, 63376, 79220, 158440, 316880]

約数ペア:

[(1, 316880), (2, 158440), (4, 79220), (5, 63376), (8, 39610), (10, 31688), (16, 19805), (17, 18640), (20, 15844), (34, 9320), (40, 7922), (68, 4660), (80, 3961), (85, 3728), (136, 2330), (170, 1864), (233, 1360), (272, 1165), (340, 932), (466, 680)]