18148900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2357}}^1$

素因数の和:2389

約数の個数: 72

約数和(自身を含む): 49121856

約数和(自身を除く): 30972956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2357, 3850, 4714, 7700, 9428, 11785, 16499, 23570, 25927, 32998, 47140, 51854, 58925, 65996, 82495, 103708, 117850, 129635, 164990, 181489, 235700, 259270, 329980, 362978, 412475, 518540, 648175, 725956, 824950, 907445, 1296350, 1649900, 1814890, 2592700, 3629780, 4537225, 9074450, 18148900]

約数ペア:

[(1, 18148900), (2, 9074450), (4, 4537225), (5, 3629780), (7, 2592700), (10, 1814890), (11, 1649900), (14, 1296350), (20, 907445), (22, 824950), (25, 725956), (28, 648175), (35, 518540), (44, 412475), (50, 362978), (55, 329980), (70, 259270), (77, 235700), (100, 181489), (110, 164990), (140, 129635), (154, 117850), (175, 103708), (220, 82495), (275, 65996), (308, 58925), (350, 51854), (385, 47140), (550, 32998), (700, 25927), (770, 23570), (1100, 16499), (1540, 11785), (1925, 9428), (2357, 7700), (3850, 4714)]