2219900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 4895520

約数和(自身を除く): 2675620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 281, 316, 395, 562, 790, 1124, 1405, 1580, 1975, 2810, 3950, 5620, 7025, 7900, 14050, 22199, 28100, 44398, 88796, 110995, 221990, 443980, 554975, 1109950, 2219900]

約数ペア:

[(1, 2219900), (2, 1109950), (4, 554975), (5, 443980), (10, 221990), (20, 110995), (25, 88796), (50, 44398), (79, 28100), (100, 22199), (158, 14050), (281, 7900), (316, 7025), (395, 5620), (562, 3950), (790, 2810), (1124, 1975), (1405, 1580)]