2019647980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{113591}}^1$

素因数の和:113734

約数の個数: 48

約数和(自身を含む): 4885364736

約数和(自身を除く): 2865716756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 113591, 227182, 454364, 567955, 795137, 1135910, 1590274, 2271820, 3180548, 3975685, 7951370, 14426057, 15902740, 28852114, 57704228, 72130285, 100982399, 144260570, 201964798, 288521140, 403929596, 504911995, 1009823990, 2019647980]

約数ペア:

[(1, 2019647980), (2, 1009823990), (4, 504911995), (5, 403929596), (7, 288521140), (10, 201964798), (14, 144260570), (20, 100982399), (28, 72130285), (35, 57704228), (70, 28852114), (127, 15902740), (140, 14426057), (254, 7951370), (508, 3975685), (635, 3180548), (889, 2271820), (1270, 1590274), (1778, 1135910), (2540, 795137), (3556, 567955), (4445, 454364), (8890, 227182), (17780, 113591)]