18210500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 51123072

約数和(自身を除く): 32912572

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 43, 44, 50, 55, 70, 77, 86, 100, 110, 121, 125, 140, 154, 172, 175, 215, 220, 242, 250, 275, 301, 308, 350, 385, 430, 473, 484, 500, 550, 602, 605, 700, 770, 847, 860, 875, 946, 1075, 1100, 1204, 1210, 1375, 1505, 1540, 1694, 1750, 1892, 1925, 2150, 2365, 2420, 2750, 3010, 3025, 3311, 3388, 3500, 3850, 4235, 4300, 4730, 5203, 5375, 5500, 6020, 6050, 6622, 7525, 7700, 8470, 9460, 9625, 10406, 10750, 11825, 12100, 13244, 15050, 15125, 16555, 16940, 19250, 20812, 21175, 21500, 23650, 26015, 30100, 30250, 33110, 36421, 37625, 38500, 42350, 47300, 52030, 59125, 60500, 66220, 72842, 75250, 82775, 84700, 104060, 105875, 118250, 130075, 145684, 150500, 165550, 182105, 211750, 236500, 260150, 331100, 364210, 413875, 423500, 520300, 650375, 728420, 827750, 910525, 1300750, 1655500, 1821050, 2601500, 3642100, 4552625, 9105250, 18210500]

約数ペア:

[(1, 18210500), (2, 9105250), (4, 4552625), (5, 3642100), (7, 2601500), (10, 1821050), (11, 1655500), (14, 1300750), (20, 910525), (22, 827750), (25, 728420), (28, 650375), (35, 520300), (43, 423500), (44, 413875), (50, 364210), (55, 331100), (70, 260150), (77, 236500), (86, 211750), (100, 182105), (110, 165550), (121, 150500), (125, 145684), (140, 130075), (154, 118250), (172, 105875), (175, 104060), (215, 84700), (220, 82775), (242, 75250), (250, 72842), (275, 66220), (301, 60500), (308, 59125), (350, 52030), (385, 47300), (430, 42350), (473, 38500), (484, 37625), (500, 36421), (550, 33110), (602, 30250), (605, 30100), (700, 26015), (770, 23650), (847, 21500), (860, 21175), (875, 20812), (946, 19250), (1075, 16940), (1100, 16555), (1204, 15125), (1210, 15050), (1375, 13244), (1505, 12100), (1540, 11825), (1694, 10750), (1750, 10406), (1892, 9625), (1925, 9460), (2150, 8470), (2365, 7700), (2420, 7525), (2750, 6622), (3010, 6050), (3025, 6020), (3311, 5500), (3388, 5375), (3500, 5203), (3850, 4730), (4235, 4300)]