68909800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 167274450

約数和(自身を除く): 98364650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 109, 116, 145, 200, 218, 232, 290, 436, 545, 580, 725, 872, 1090, 1160, 1450, 2180, 2725, 2900, 3161, 4360, 5450, 5800, 6322, 10900, 11881, 12644, 15805, 21800, 23762, 25288, 31610, 47524, 59405, 63220, 79025, 95048, 118810, 126440, 158050, 237620, 297025, 316100, 344549, 475240, 594050, 632200, 689098, 1188100, 1378196, 1722745, 2376200, 2756392, 3445490, 6890980, 8613725, 13781960, 17227450, 34454900, 68909800]

約数ペア:

[(1, 68909800), (2, 34454900), (4, 17227450), (5, 13781960), (8, 8613725), (10, 6890980), (20, 3445490), (25, 2756392), (29, 2376200), (40, 1722745), (50, 1378196), (58, 1188100), (100, 689098), (109, 632200), (116, 594050), (145, 475240), (200, 344549), (218, 316100), (232, 297025), (290, 237620), (436, 158050), (545, 126440), (580, 118810), (725, 95048), (872, 79025), (1090, 63220), (1160, 59405), (1450, 47524), (2180, 31610), (2725, 25288), (2900, 23762), (3161, 21800), (4360, 15805), (5450, 12644), (5800, 11881), (6322, 10900)]