398054800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6959}}^1$

素因数の和:7001

約数の個数: 120

約数和(自身を含む): 1123678080

約数和(自身を除く): 725623280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 176, 200, 208, 220, 260, 275, 286, 325, 400, 440, 520, 550, 572, 650, 715, 880, 1040, 1100, 1144, 1300, 1430, 2200, 2288, 2600, 2860, 3575, 4400, 5200, 5720, 6959, 7150, 11440, 13918, 14300, 27836, 28600, 34795, 55672, 57200, 69590, 76549, 90467, 111344, 139180, 153098, 173975, 180934, 278360, 306196, 347950, 361868, 382745, 452335, 556720, 612392, 695900, 723736, 765490, 904670, 995137, 1224784, 1391800, 1447472, 1530980, 1809340, 1913725, 1990274, 2261675, 2783600, 3061960, 3618680, 3827450, 3980548, 4523350, 4975685, 6123920, 7237360, 7654900, 7961096, 9046700, 9951370, 15309800, 15922192, 18093400, 19902740, 24878425, 30619600, 36186800, 39805480, 49756850, 79610960, 99513700, 199027400, 398054800]

約数ペア:

[(1, 398054800), (2, 199027400), (4, 99513700), (5, 79610960), (8, 49756850), (10, 39805480), (11, 36186800), (13, 30619600), (16, 24878425), (20, 19902740), (22, 18093400), (25, 15922192), (26, 15309800), (40, 9951370), (44, 9046700), (50, 7961096), (52, 7654900), (55, 7237360), (65, 6123920), (80, 4975685), (88, 4523350), (100, 3980548), (104, 3827450), (110, 3618680), (130, 3061960), (143, 2783600), (176, 2261675), (200, 1990274), (208, 1913725), (220, 1809340), (260, 1530980), (275, 1447472), (286, 1391800), (325, 1224784), (400, 995137), (440, 904670), (520, 765490), (550, 723736), (572, 695900), (650, 612392), (715, 556720), (880, 452335), (1040, 382745), (1100, 361868), (1144, 347950), (1300, 306196), (1430, 278360), (2200, 180934), (2288, 173975), (2600, 153098), (2860, 139180), (3575, 111344), (4400, 90467), (5200, 76549), (5720, 69590), (6959, 57200), (7150, 55672), (11440, 34795), (13918, 28600), (14300, 27836)]