2920791860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{67957}}^1$

素因数の和:68280

約数の個数: 48

約数和(自身を含む): 7032837504

約数和(自身を除く): 4112045644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 2149, 3070, 4298, 6140, 8596, 10745, 21490, 42980, 67957, 135914, 271828, 339785, 475699, 679570, 951398, 1359140, 1902796, 2378495, 4756990, 9513980, 20862799, 41725598, 83451196, 104313995, 146039593, 208627990, 292079186, 417255980, 584158372, 730197965, 1460395930, 2920791860]

約数ペア:

[(1, 2920791860), (2, 1460395930), (4, 730197965), (5, 584158372), (7, 417255980), (10, 292079186), (14, 208627990), (20, 146039593), (28, 104313995), (35, 83451196), (70, 41725598), (140, 20862799), (307, 9513980), (614, 4756990), (1228, 2378495), (1535, 1902796), (2149, 1359140), (3070, 951398), (4298, 679570), (6140, 475699), (8596, 339785), (10745, 271828), (21490, 135914), (42980, 67957)]