22199000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 52790400

約数和(自身を除く): 30591400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 281, 316, 395, 500, 562, 632, 790, 1000, 1124, 1405, 1580, 1975, 2248, 2810, 3160, 3950, 5620, 7025, 7900, 9875, 11240, 14050, 15800, 19750, 22199, 28100, 35125, 39500, 44398, 56200, 70250, 79000, 88796, 110995, 140500, 177592, 221990, 281000, 443980, 554975, 887960, 1109950, 2219900, 2774875, 4439800, 5549750, 11099500, 22199000]

約数ペア:

[(1, 22199000), (2, 11099500), (4, 5549750), (5, 4439800), (8, 2774875), (10, 2219900), (20, 1109950), (25, 887960), (40, 554975), (50, 443980), (79, 281000), (100, 221990), (125, 177592), (158, 140500), (200, 110995), (250, 88796), (281, 79000), (316, 70250), (395, 56200), (500, 44398), (562, 39500), (632, 35125), (790, 28100), (1000, 22199), (1124, 19750), (1405, 15800), (1580, 14050), (1975, 11240), (2248, 9875), (2810, 7900), (3160, 7025), (3950, 5620)]