39018280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 100874880

約数和(自身を除く): 61856600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 421, 662, 842, 1324, 1655, 1684, 2105, 2317, 2648, 2947, 3310, 3368, 4210, 4634, 5894, 6620, 8420, 9268, 11585, 11788, 13240, 14735, 16840, 18536, 23170, 23576, 29470, 46340, 58940, 92680, 117880, 139351, 278702, 557404, 696755, 975457, 1114808, 1393510, 1950914, 2787020, 3901828, 4877285, 5574040, 7803656, 9754570, 19509140, 39018280]

約数ペア:

[(1, 39018280), (2, 19509140), (4, 9754570), (5, 7803656), (7, 5574040), (8, 4877285), (10, 3901828), (14, 2787020), (20, 1950914), (28, 1393510), (35, 1114808), (40, 975457), (56, 696755), (70, 557404), (140, 278702), (280, 139351), (331, 117880), (421, 92680), (662, 58940), (842, 46340), (1324, 29470), (1655, 23576), (1684, 23170), (2105, 18536), (2317, 16840), (2648, 14735), (2947, 13240), (3310, 11788), (3368, 11585), (4210, 9268), (4634, 8420), (5894, 6620)]