213365000

素因数分解:

$2^3\times 5^4\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 505150800

約数和(自身を除く): 291785800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 139, 200, 250, 278, 307, 500, 556, 614, 625, 695, 1000, 1112, 1228, 1250, 1390, 1535, 2456, 2500, 2780, 3070, 3475, 5000, 5560, 6140, 6950, 7675, 12280, 13900, 15350, 17375, 27800, 30700, 34750, 38375, 42673, 61400, 69500, 76750, 85346, 86875, 139000, 153500, 170692, 173750, 191875, 213365, 307000, 341384, 347500, 383750, 426730, 695000, 767500, 853460, 1066825, 1535000, 1706920, 2133650, 4267300, 5334125, 8534600, 10668250, 21336500, 26670625, 42673000, 53341250, 106682500, 213365000]

約数ペア:

[(1, 213365000), (2, 106682500), (4, 53341250), (5, 42673000), (8, 26670625), (10, 21336500), (20, 10668250), (25, 8534600), (40, 5334125), (50, 4267300), (100, 2133650), (125, 1706920), (139, 1535000), (200, 1066825), (250, 853460), (278, 767500), (307, 695000), (500, 426730), (556, 383750), (614, 347500), (625, 341384), (695, 307000), (1000, 213365), (1112, 191875), (1228, 173750), (1250, 170692), (1390, 153500), (1535, 139000), (2456, 86875), (2500, 85346), (2780, 76750), (3070, 69500), (3475, 61400), (5000, 42673), (5560, 38375), (6140, 34750), (6950, 30700), (7675, 27800), (12280, 17375), (13900, 15350)]