71139560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 170586000

約数和(自身を除く): 99446440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 233, 340, 449, 466, 680, 898, 932, 1165, 1796, 1864, 2245, 2330, 3592, 3961, 4490, 4660, 7633, 7922, 8980, 9320, 15266, 15844, 17960, 19805, 30532, 31688, 38165, 39610, 61064, 76330, 79220, 104617, 152660, 158440, 209234, 305320, 418468, 523085, 836936, 1046170, 1778489, 2092340, 3556978, 4184680, 7113956, 8892445, 14227912, 17784890, 35569780, 71139560]

約数ペア:

[(1, 71139560), (2, 35569780), (4, 17784890), (5, 14227912), (8, 8892445), (10, 7113956), (17, 4184680), (20, 3556978), (34, 2092340), (40, 1778489), (68, 1046170), (85, 836936), (136, 523085), (170, 418468), (233, 305320), (340, 209234), (449, 158440), (466, 152660), (680, 104617), (898, 79220), (932, 76330), (1165, 61064), (1796, 39610), (1864, 38165), (2245, 31688), (2330, 30532), (3592, 19805), (3961, 17960), (4490, 15844), (4660, 15266), (7633, 9320), (7922, 8980)]