215533900

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{12041}}^1$

素因数の和:12234

約数の個数: 36

約数和(自身を含む): 470360520

約数和(自身を除く): 254826620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1790, 3580, 4475, 8950, 12041, 17900, 24082, 48164, 60205, 120410, 240820, 301025, 602050, 1204100, 2155339, 4310678, 8621356, 10776695, 21553390, 43106780, 53883475, 107766950, 215533900]

約数ペア:

[(1, 215533900), (2, 107766950), (4, 53883475), (5, 43106780), (10, 21553390), (20, 10776695), (25, 8621356), (50, 4310678), (100, 2155339), (179, 1204100), (358, 602050), (716, 301025), (895, 240820), (1790, 120410), (3580, 60205), (4475, 48164), (8950, 24082), (12041, 17900)]