388396020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41231}}^1$

素因数の和:41400

約数の個数: 48

約数和(自身を含む): 1094462208

約数和(自身を除く): 706066188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 41231, 82462, 123693, 164924, 206155, 247386, 412310, 494772, 618465, 824620, 1236930, 2473860, 6473267, 12946534, 19419801, 25893068, 32366335, 38839602, 64732670, 77679204, 97099005, 129465340, 194198010, 388396020]

約数ペア:

[(1, 388396020), (2, 194198010), (3, 129465340), (4, 97099005), (5, 77679204), (6, 64732670), (10, 38839602), (12, 32366335), (15, 25893068), (20, 19419801), (30, 12946534), (60, 6473267), (157, 2473860), (314, 1236930), (471, 824620), (628, 618465), (785, 494772), (942, 412310), (1570, 247386), (1884, 206155), (2355, 164924), (3140, 123693), (4710, 82462), (9420, 41231)]