669800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 1657260

約数和(自身を除く): 987460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 197, 200, 340, 394, 425, 680, 788, 850, 985, 1576, 1700, 1970, 3349, 3400, 3940, 4925, 6698, 7880, 9850, 13396, 16745, 19700, 26792, 33490, 39400, 66980, 83725, 133960, 167450, 334900, 669800]

約数ペア:

[(1, 669800), (2, 334900), (4, 167450), (5, 133960), (8, 83725), (10, 66980), (17, 39400), (20, 33490), (25, 26792), (34, 19700), (40, 16745), (50, 13396), (68, 9850), (85, 7880), (100, 6698), (136, 4925), (170, 3940), (197, 3400), (200, 3349), (340, 1970), (394, 1700), (425, 1576), (680, 985), (788, 850)]