56581900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 128898000

約数和(自身を除く): 72316100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 109, 116, 145, 179, 218, 290, 358, 436, 545, 580, 716, 725, 895, 1090, 1450, 1790, 2180, 2725, 2900, 3161, 3580, 4475, 5191, 5450, 6322, 8950, 10382, 10900, 12644, 15805, 17900, 19511, 20764, 25955, 31610, 39022, 51910, 63220, 78044, 79025, 97555, 103820, 129775, 158050, 195110, 259550, 316100, 390220, 487775, 519100, 565819, 975550, 1131638, 1951100, 2263276, 2829095, 5658190, 11316380, 14145475, 28290950, 56581900]

約数ペア:

[(1, 56581900), (2, 28290950), (4, 14145475), (5, 11316380), (10, 5658190), (20, 2829095), (25, 2263276), (29, 1951100), (50, 1131638), (58, 975550), (100, 565819), (109, 519100), (116, 487775), (145, 390220), (179, 316100), (218, 259550), (290, 195110), (358, 158050), (436, 129775), (545, 103820), (580, 97555), (716, 79025), (725, 78044), (895, 63220), (1090, 51910), (1450, 39022), (1790, 31610), (2180, 25955), (2725, 20764), (2900, 19511), (3161, 17900), (3580, 15805), (4475, 12644), (5191, 10900), (5450, 10382), (6322, 8950)]