2486943980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1\times {\mathrm{1997}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 5304833856

約数和(自身を除く): 2817889876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 877, 1420, 1754, 1997, 3508, 3994, 4385, 7988, 8770, 9985, 17540, 19970, 39940, 62267, 124534, 141787, 249068, 283574, 311335, 567148, 622670, 708935, 1245340, 1417870, 1751369, 2835740, 3502738, 7005476, 8756845, 17513690, 35027380, 124347199, 248694398, 497388796, 621735995, 1243471990, 2486943980]

約数ペア:

[(1, 2486943980), (2, 1243471990), (4, 621735995), (5, 497388796), (10, 248694398), (20, 124347199), (71, 35027380), (142, 17513690), (284, 8756845), (355, 7005476), (710, 3502738), (877, 2835740), (1420, 1751369), (1754, 1417870), (1997, 1245340), (3508, 708935), (3994, 622670), (4385, 567148), (7988, 311335), (8770, 283574), (9985, 249068), (17540, 141787), (19970, 124534), (39940, 62267)]