8889320620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{93199}}^1$

素因数の和:93478

約数の個数: 48

約数和(自身を含む): 19728576000

約数和(自身を除く): 10839255380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 502, 1004, 1255, 2510, 4769, 5020, 9538, 19076, 23845, 47690, 93199, 95380, 186398, 372796, 465995, 931990, 1770781, 1863980, 3541562, 7083124, 8853905, 17707810, 23392949, 35415620, 46785898, 93571796, 116964745, 233929490, 444466031, 467858980, 888932062, 1777864124, 2222330155, 4444660310, 8889320620]

約数ペア:

[(1, 8889320620), (2, 4444660310), (4, 2222330155), (5, 1777864124), (10, 888932062), (19, 467858980), (20, 444466031), (38, 233929490), (76, 116964745), (95, 93571796), (190, 46785898), (251, 35415620), (380, 23392949), (502, 17707810), (1004, 8853905), (1255, 7083124), (2510, 3541562), (4769, 1863980), (5020, 1770781), (9538, 931990), (19076, 465995), (23845, 372796), (47690, 186398), (93199, 95380)]