2000989900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{219889}}^1$

素因数の和:219923

約数の個数: 72

約数和(自身を含む): 5344206560

約数和(自身を除く): 3343216660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 219889, 439778, 879556, 1099445, 1539223, 2198890, 2858557, 3078446, 4397780, 5497225, 5717114, 6156892, 7696115, 10994450, 11434228, 14292785, 15392230, 20009899, 21988900, 28585570, 30784460, 38480575, 40019798, 57171140, 71463925, 76961150, 80039596, 100049495, 142927850, 153922300, 200098990, 285855700, 400197980, 500247475, 1000494950, 2000989900]

約数ペア:

[(1, 2000989900), (2, 1000494950), (4, 500247475), (5, 400197980), (7, 285855700), (10, 200098990), (13, 153922300), (14, 142927850), (20, 100049495), (25, 80039596), (26, 76961150), (28, 71463925), (35, 57171140), (50, 40019798), (52, 38480575), (65, 30784460), (70, 28585570), (91, 21988900), (100, 20009899), (130, 15392230), (140, 14292785), (175, 11434228), (182, 10994450), (260, 7696115), (325, 6156892), (350, 5717114), (364, 5497225), (455, 4397780), (650, 3078446), (700, 2858557), (910, 2198890), (1300, 1539223), (1820, 1099445), (2275, 879556), (4550, 439778), (9100, 219889)]