22228220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{887}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 31478020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 887, 895, 1253, 1774, 1790, 2506, 3548, 3580, 4435, 5012, 6209, 6265, 8870, 12418, 12530, 17740, 24836, 25060, 31045, 62090, 124180, 158773, 317546, 635092, 793865, 1111411, 1587730, 2222822, 3175460, 4445644, 5557055, 11114110, 22228220]

約数ペア:

[(1, 22228220), (2, 11114110), (4, 5557055), (5, 4445644), (7, 3175460), (10, 2222822), (14, 1587730), (20, 1111411), (28, 793865), (35, 635092), (70, 317546), (140, 158773), (179, 124180), (358, 62090), (716, 31045), (887, 25060), (895, 24836), (1253, 17740), (1774, 12530), (1790, 12418), (2506, 8870), (3548, 6265), (3580, 6209), (4435, 5012)]