61481450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 119691000

約数和(自身を除く): 58209550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 109, 145, 218, 290, 389, 545, 725, 778, 1090, 1450, 1945, 2725, 3161, 3890, 5450, 6322, 9725, 11281, 15805, 19450, 22562, 31610, 42401, 56405, 79025, 84802, 112810, 158050, 212005, 282025, 424010, 564050, 1060025, 1229629, 2120050, 2459258, 6148145, 12296290, 30740725, 61481450]

約数ペア:

[(1, 61481450), (2, 30740725), (5, 12296290), (10, 6148145), (25, 2459258), (29, 2120050), (50, 1229629), (58, 1060025), (109, 564050), (145, 424010), (218, 282025), (290, 212005), (389, 158050), (545, 112810), (725, 84802), (778, 79025), (1090, 56405), (1450, 42401), (1945, 31610), (2725, 22562), (3161, 19450), (3890, 15805), (5450, 11281), (6322, 9725)]