57281900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 135251760

約数和(自身を除く): 77969860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 317, 325, 556, 634, 650, 695, 1268, 1300, 1390, 1585, 1807, 2780, 3170, 3475, 3614, 4121, 6340, 6950, 7228, 7925, 8242, 9035, 13900, 15850, 16484, 18070, 20605, 31700, 36140, 41210, 44063, 45175, 82420, 88126, 90350, 103025, 176252, 180700, 206050, 220315, 412100, 440630, 572819, 881260, 1101575, 1145638, 2203150, 2291276, 2864095, 4406300, 5728190, 11456380, 14320475, 28640950, 57281900]

約数ペア:

[(1, 57281900), (2, 28640950), (4, 14320475), (5, 11456380), (10, 5728190), (13, 4406300), (20, 2864095), (25, 2291276), (26, 2203150), (50, 1145638), (52, 1101575), (65, 881260), (100, 572819), (130, 440630), (139, 412100), (260, 220315), (278, 206050), (317, 180700), (325, 176252), (556, 103025), (634, 90350), (650, 88126), (695, 82420), (1268, 45175), (1300, 44063), (1390, 41210), (1585, 36140), (1807, 31700), (2780, 20605), (3170, 18070), (3475, 16484), (3614, 15850), (4121, 13900), (6340, 9035), (6950, 8242), (7228, 7925)]