221166200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{25717}}^1$

素因数の和:25776

約数の個数: 48

約数和(自身を含む): 526190280

約数和(自身を除く): 305024080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 25717, 51434, 102868, 128585, 205736, 257170, 514340, 642925, 1028680, 1105831, 1285850, 2211662, 2571700, 4423324, 5143400, 5529155, 8846648, 11058310, 22116620, 27645775, 44233240, 55291550, 110583100, 221166200]

約数ペア:

[(1, 221166200), (2, 110583100), (4, 55291550), (5, 44233240), (8, 27645775), (10, 22116620), (20, 11058310), (25, 8846648), (40, 5529155), (43, 5143400), (50, 4423324), (86, 2571700), (100, 2211662), (172, 1285850), (200, 1105831), (215, 1028680), (344, 642925), (430, 514340), (860, 257170), (1075, 205736), (1720, 128585), (2150, 102868), (4300, 51434), (8600, 25717)]