131971980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{314219}}^1$

素因数の和:314238

約数の個数: 48

約数和(自身を含む): 422311680

約数和(自身を除く): 290339700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 314219, 628438, 942657, 1256876, 1571095, 1885314, 2199533, 3142190, 3770628, 4399066, 4713285, 6284380, 6598599, 8798132, 9426570, 10997665, 13197198, 18853140, 21995330, 26394396, 32992995, 43990660, 65985990, 131971980]

約数ペア:

[(1, 131971980), (2, 65985990), (3, 43990660), (4, 32992995), (5, 26394396), (6, 21995330), (7, 18853140), (10, 13197198), (12, 10997665), (14, 9426570), (15, 8798132), (20, 6598599), (21, 6284380), (28, 4713285), (30, 4399066), (35, 3770628), (42, 3142190), (60, 2199533), (70, 1885314), (84, 1571095), (105, 1256876), (140, 942657), (210, 628438), (420, 314219)]