1289774570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1579}}^1\times {\mathrm{1667}}^1$

素因数の和:3267

約数の個数: 48

約数和(自身を含む): 2703961440

約数和(自身を除く): 1414186870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1579, 1667, 3158, 3334, 7895, 8335, 11053, 11669, 15790, 16670, 22106, 23338, 55265, 58345, 77371, 81683, 110530, 116690, 154742, 163366, 386855, 408415, 773710, 816830, 2632193, 5264386, 13160965, 18425351, 26321930, 36850702, 92126755, 128977457, 184253510, 257954914, 644887285, 1289774570]

約数ペア:

[(1, 1289774570), (2, 644887285), (5, 257954914), (7, 184253510), (10, 128977457), (14, 92126755), (35, 36850702), (49, 26321930), (70, 18425351), (98, 13160965), (245, 5264386), (490, 2632193), (1579, 816830), (1667, 773710), (3158, 408415), (3334, 386855), (7895, 163366), (8335, 154742), (11053, 116690), (11669, 110530), (15790, 81683), (16670, 77371), (22106, 58345), (23338, 55265)]