9981400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 27342000

約数和(自身を除く): 17360600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 349, 440, 520, 550, 572, 650, 698, 715, 1100, 1144, 1300, 1396, 1430, 1745, 2200, 2600, 2792, 2860, 3490, 3575, 3839, 4537, 5720, 6980, 7150, 7678, 8725, 9074, 13960, 14300, 15356, 17450, 18148, 19195, 22685, 28600, 30712, 34900, 36296, 38390, 45370, 49907, 69800, 76780, 90740, 95975, 99814, 113425, 153560, 181480, 191950, 199628, 226850, 249535, 383900, 399256, 453700, 499070, 767800, 907400, 998140, 1247675, 1996280, 2495350, 4990700, 9981400]

約数ペア:

[(1, 9981400), (2, 4990700), (4, 2495350), (5, 1996280), (8, 1247675), (10, 998140), (11, 907400), (13, 767800), (20, 499070), (22, 453700), (25, 399256), (26, 383900), (40, 249535), (44, 226850), (50, 199628), (52, 191950), (55, 181480), (65, 153560), (88, 113425), (100, 99814), (104, 95975), (110, 90740), (130, 76780), (143, 69800), (200, 49907), (220, 45370), (260, 38390), (275, 36296), (286, 34900), (325, 30712), (349, 28600), (440, 22685), (520, 19195), (550, 18148), (572, 17450), (650, 15356), (698, 14300), (715, 13960), (1100, 9074), (1144, 8725), (1300, 7678), (1396, 7150), (1430, 6980), (1745, 5720), (2200, 4537), (2600, 3839), (2792, 3575), (2860, 3490)]