1491580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 3429216

約数和(自身を除く): 1937636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 107, 164, 170, 205, 214, 340, 410, 428, 535, 697, 820, 1070, 1394, 1819, 2140, 2788, 3485, 3638, 4387, 6970, 7276, 8774, 9095, 13940, 17548, 18190, 21935, 36380, 43870, 74579, 87740, 149158, 298316, 372895, 745790, 1491580]

約数ペア:

[(1, 1491580), (2, 745790), (4, 372895), (5, 298316), (10, 149158), (17, 87740), (20, 74579), (34, 43870), (41, 36380), (68, 21935), (82, 18190), (85, 17548), (107, 13940), (164, 9095), (170, 8774), (205, 7276), (214, 6970), (340, 4387), (410, 3638), (428, 3485), (535, 2788), (697, 2140), (820, 1819), (1070, 1394)]