1779260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 4354560

約数和(自身を除く): 2575300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 179, 284, 355, 358, 497, 710, 716, 895, 994, 1253, 1420, 1790, 1988, 2485, 2506, 3580, 4970, 5012, 6265, 9940, 12530, 12709, 25060, 25418, 50836, 63545, 88963, 127090, 177926, 254180, 355852, 444815, 889630, 1779260]

約数ペア:

[(1, 1779260), (2, 889630), (4, 444815), (5, 355852), (7, 254180), (10, 177926), (14, 127090), (20, 88963), (28, 63545), (35, 50836), (70, 25418), (71, 25060), (140, 12709), (142, 12530), (179, 9940), (284, 6265), (355, 5012), (358, 4970), (497, 3580), (710, 2506), (716, 2485), (895, 1988), (994, 1790), (1253, 1420)]