7842520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 20738880

約数和(自身を除く): 12896360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 757, 1036, 1295, 1480, 1514, 2072, 2590, 3028, 3785, 5180, 5299, 6056, 7570, 10360, 10598, 15140, 21196, 26495, 28009, 30280, 42392, 52990, 56018, 105980, 112036, 140045, 196063, 211960, 224072, 280090, 392126, 560180, 784252, 980315, 1120360, 1568504, 1960630, 3921260, 7842520]

約数ペア:

[(1, 7842520), (2, 3921260), (4, 1960630), (5, 1568504), (7, 1120360), (8, 980315), (10, 784252), (14, 560180), (20, 392126), (28, 280090), (35, 224072), (37, 211960), (40, 196063), (56, 140045), (70, 112036), (74, 105980), (140, 56018), (148, 52990), (185, 42392), (259, 30280), (280, 28009), (296, 26495), (370, 21196), (518, 15140), (740, 10598), (757, 10360), (1036, 7570), (1295, 6056), (1480, 5299), (1514, 5180), (2072, 3785), (2590, 3028)]