258916120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1091}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 619164000

約数和(自身を除く): 360247880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 349, 680, 698, 1091, 1396, 1745, 2182, 2792, 3490, 4364, 5455, 5933, 6980, 8728, 10910, 11866, 13960, 18547, 21820, 23732, 29665, 37094, 43640, 47464, 59330, 74188, 92735, 118660, 148376, 185470, 237320, 370940, 380759, 741880, 761518, 1523036, 1903795, 3046072, 3807590, 6472903, 7615180, 12945806, 15230360, 25891612, 32364515, 51783224, 64729030, 129458060, 258916120]

約数ペア:

[(1, 258916120), (2, 129458060), (4, 64729030), (5, 51783224), (8, 32364515), (10, 25891612), (17, 15230360), (20, 12945806), (34, 7615180), (40, 6472903), (68, 3807590), (85, 3046072), (136, 1903795), (170, 1523036), (340, 761518), (349, 741880), (680, 380759), (698, 370940), (1091, 237320), (1396, 185470), (1745, 148376), (2182, 118660), (2792, 92735), (3490, 74188), (4364, 59330), (5455, 47464), (5933, 43640), (6980, 37094), (8728, 29665), (10910, 23732), (11866, 21820), (13960, 18547)]