9902800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 60

約数和(自身を含む): 25062880

約数和(自身を除く): 15160080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1303, 1520, 1900, 2606, 3800, 5212, 6515, 7600, 10424, 13030, 20848, 24757, 26060, 32575, 49514, 52120, 65150, 99028, 104240, 123785, 130300, 198056, 247570, 260600, 396112, 495140, 521200, 618925, 990280, 1237850, 1980560, 2475700, 4951400, 9902800]

約数ペア:

[(1, 9902800), (2, 4951400), (4, 2475700), (5, 1980560), (8, 1237850), (10, 990280), (16, 618925), (19, 521200), (20, 495140), (25, 396112), (38, 260600), (40, 247570), (50, 198056), (76, 130300), (80, 123785), (95, 104240), (100, 99028), (152, 65150), (190, 52120), (200, 49514), (304, 32575), (380, 26060), (400, 24757), (475, 20848), (760, 13030), (950, 10424), (1303, 7600), (1520, 6515), (1900, 5212), (2606, 3800)]