211985100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{26171}}^1$

素因数の和:26197

約数の個数: 90

約数和(自身を含む): 687198204

約数和(自身を除く): 475213104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 26171, 52342, 78513, 104684, 130855, 157026, 235539, 261710, 314052, 392565, 471078, 523420, 654275, 706617, 785130, 942156, 1177695, 1308550, 1413234, 1570260, 1962825, 2119851, 2355390, 2617100, 2826468, 3533085, 3925650, 4239702, 4710780, 5888475, 7066170, 7851300, 8479404, 10599255, 11776950, 14132340, 17665425, 21198510, 23553900, 35330850, 42397020, 52996275, 70661700, 105992550, 211985100]

約数ペア:

[(1, 211985100), (2, 105992550), (3, 70661700), (4, 52996275), (5, 42397020), (6, 35330850), (9, 23553900), (10, 21198510), (12, 17665425), (15, 14132340), (18, 11776950), (20, 10599255), (25, 8479404), (27, 7851300), (30, 7066170), (36, 5888475), (45, 4710780), (50, 4239702), (54, 3925650), (60, 3533085), (75, 2826468), (81, 2617100), (90, 2355390), (100, 2119851), (108, 1962825), (135, 1570260), (150, 1413234), (162, 1308550), (180, 1177695), (225, 942156), (270, 785130), (300, 706617), (324, 654275), (405, 523420), (450, 471078), (540, 392565), (675, 314052), (810, 261710), (900, 235539), (1350, 157026), (1620, 130855), (2025, 104684), (2700, 78513), (4050, 52342), (8100, 26171)]