979751570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{4007}}^1$

素因数の和:4527

約数の個数: 48

約数和(自身を含む): 2056104000

約数和(自身を除く): 1076352430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 499, 998, 2495, 3493, 4007, 4990, 6986, 8014, 17465, 20035, 24451, 28049, 34930, 40070, 48902, 56098, 122255, 140245, 196343, 244510, 280490, 392686, 981715, 1963430, 1999493, 3998986, 9997465, 13996451, 19994930, 27992902, 69982255, 97975157, 139964510, 195950314, 489875785, 979751570]

約数ペア:

[(1, 979751570), (2, 489875785), (5, 195950314), (7, 139964510), (10, 97975157), (14, 69982255), (35, 27992902), (49, 19994930), (70, 13996451), (98, 9997465), (245, 3998986), (490, 1999493), (499, 1963430), (998, 981715), (2495, 392686), (3493, 280490), (4007, 244510), (4990, 196343), (6986, 140245), (8014, 122255), (17465, 56098), (20035, 48902), (24451, 40070), (28049, 34930)]