254346520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{374039}}^1$

素因数の和:374067

約数の個数: 32

約数和(自身を含む): 605944800

約数和(自身を除く): 351598280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 374039, 748078, 1496156, 1870195, 2992312, 3740390, 6358663, 7480780, 12717326, 14961560, 25434652, 31793315, 50869304, 63586630, 127173260, 254346520]

約数ペア:

[(1, 254346520), (2, 127173260), (4, 63586630), (5, 50869304), (8, 31793315), (10, 25434652), (17, 14961560), (20, 12717326), (34, 7480780), (40, 6358663), (68, 3740390), (85, 2992312), (136, 1870195), (170, 1496156), (340, 748078), (680, 374039)]