72318340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{212701}}^1$

素因数の和:212727

約数の個数: 24

約数和(自身を含む): 160802712

約数和(自身を除く): 88484372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 212701, 425402, 850804, 1063505, 2127010, 3615917, 4254020, 7231834, 14463668, 18079585, 36159170, 72318340]

約数ペア:

[(1, 72318340), (2, 36159170), (4, 18079585), (5, 14463668), (10, 7231834), (17, 4254020), (20, 3615917), (34, 2127010), (68, 1063505), (85, 850804), (170, 425402), (340, 212701)]