1664200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 3967380

約数和(自身を除く): 2303180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 157, 200, 212, 265, 314, 424, 530, 628, 785, 1060, 1256, 1325, 1570, 2120, 2650, 3140, 3925, 5300, 6280, 7850, 8321, 10600, 15700, 16642, 31400, 33284, 41605, 66568, 83210, 166420, 208025, 332840, 416050, 832100, 1664200]

約数ペア:

[(1, 1664200), (2, 832100), (4, 416050), (5, 332840), (8, 208025), (10, 166420), (20, 83210), (25, 66568), (40, 41605), (50, 33284), (53, 31400), (100, 16642), (106, 15700), (157, 10600), (200, 8321), (212, 7850), (265, 6280), (314, 5300), (424, 3925), (530, 3140), (628, 2650), (785, 2120), (1060, 1570), (1256, 1325)]