420050450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1879}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 830839680

約数和(自身を除く): 410789230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 263, 425, 526, 850, 1315, 1879, 2630, 3758, 4471, 6575, 8942, 9395, 13150, 18790, 22355, 31943, 44710, 46975, 63886, 93950, 111775, 159715, 223550, 319430, 494177, 798575, 988354, 1597150, 2470885, 4941770, 8401009, 12354425, 16802018, 24708850, 42005045, 84010090, 210025225, 420050450]

約数ペア:

[(1, 420050450), (2, 210025225), (5, 84010090), (10, 42005045), (17, 24708850), (25, 16802018), (34, 12354425), (50, 8401009), (85, 4941770), (170, 2470885), (263, 1597150), (425, 988354), (526, 798575), (850, 494177), (1315, 319430), (1879, 223550), (2630, 159715), (3758, 111775), (4471, 93950), (6575, 63886), (8942, 46975), (9395, 44710), (13150, 31943), (18790, 22355)]