398889900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1121

約数の個数: 144

約数和(自身を含む): 1291896480

約数和(自身を除く): 893006580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 157, 180, 225, 270, 300, 314, 450, 471, 540, 628, 675, 785, 900, 941, 942, 1350, 1413, 1570, 1882, 1884, 2355, 2700, 2823, 2826, 3140, 3764, 3925, 4239, 4705, 4710, 5646, 5652, 7065, 7850, 8469, 8478, 9410, 9420, 11292, 11775, 14115, 14130, 15700, 16938, 16956, 18820, 21195, 23525, 23550, 25407, 28230, 28260, 33876, 35325, 42345, 42390, 47050, 47100, 50814, 56460, 70575, 70650, 84690, 84780, 94100, 101628, 105975, 127035, 141150, 141300, 147737, 169380, 211725, 211950, 254070, 282300, 295474, 423450, 423900, 443211, 508140, 590948, 635175, 738685, 846900, 886422, 1270350, 1329633, 1477370, 1772844, 2216055, 2540700, 2659266, 2954740, 3693425, 3988899, 4432110, 5318532, 6648165, 7386850, 7977798, 8864220, 11080275, 13296330, 14773700, 15955596, 19944495, 22160550, 26592660, 33240825, 39888990, 44321100, 66481650, 79777980, 99722475, 132963300, 199444950, 398889900]

約数ペア:

[(1, 398889900), (2, 199444950), (3, 132963300), (4, 99722475), (5, 79777980), (6, 66481650), (9, 44321100), (10, 39888990), (12, 33240825), (15, 26592660), (18, 22160550), (20, 19944495), (25, 15955596), (27, 14773700), (30, 13296330), (36, 11080275), (45, 8864220), (50, 7977798), (54, 7386850), (60, 6648165), (75, 5318532), (90, 4432110), (100, 3988899), (108, 3693425), (135, 2954740), (150, 2659266), (157, 2540700), (180, 2216055), (225, 1772844), (270, 1477370), (300, 1329633), (314, 1270350), (450, 886422), (471, 846900), (540, 738685), (628, 635175), (675, 590948), (785, 508140), (900, 443211), (941, 423900), (942, 423450), (1350, 295474), (1413, 282300), (1570, 254070), (1882, 211950), (1884, 211725), (2355, 169380), (2700, 147737), (2823, 141300), (2826, 141150), (3140, 127035), (3764, 105975), (3925, 101628), (4239, 94100), (4705, 84780), (4710, 84690), (5646, 70650), (5652, 70575), (7065, 56460), (7850, 50814), (8469, 47100), (8478, 47050), (9410, 42390), (9420, 42345), (11292, 35325), (11775, 33876), (14115, 28260), (14130, 28230), (15700, 25407), (16938, 23550), (16956, 23525), (18820, 21195)]