988897480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1454261}}^1$

素因数の和:1454289

約数の個数: 32

約数和(自身を含む): 2355904440

約数和(自身を除く): 1367006960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1454261, 2908522, 5817044, 7271305, 11634088, 14542610, 24722437, 29085220, 49444874, 58170440, 98889748, 123612185, 197779496, 247224370, 494448740, 988897480]

約数ペア:

[(1, 988897480), (2, 494448740), (4, 247224370), (5, 197779496), (8, 123612185), (10, 98889748), (17, 58170440), (20, 49444874), (34, 29085220), (40, 24722437), (68, 14542610), (85, 11634088), (136, 7271305), (170, 5817044), (340, 2908522), (680, 1454261)]