18120200

素因数分解:

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

素因数の和:116

約数の個数: 108

約数和(自身を含む): 50173965

約数和(自身を除く): 32053765

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 49, 50, 56, 70, 86, 98, 100, 140, 172, 175, 196, 200, 215, 245, 280, 301, 344, 350, 392, 430, 490, 602, 700, 860, 980, 1075, 1204, 1225, 1400, 1505, 1720, 1849, 1960, 2107, 2150, 2408, 2450, 3010, 3698, 4214, 4300, 4900, 6020, 7396, 7525, 8428, 8600, 9245, 9800, 10535, 12040, 12943, 14792, 15050, 16856, 18490, 21070, 25886, 30100, 36980, 42140, 46225, 51772, 52675, 60200, 64715, 73960, 84280, 90601, 92450, 103544, 105350, 129430, 181202, 184900, 210700, 258860, 323575, 362404, 369800, 421400, 453005, 517720, 647150, 724808, 906010, 1294300, 1812020, 2265025, 2588600, 3624040, 4530050, 9060100, 18120200]

約数ペア:

[(1, 18120200), (2, 9060100), (4, 4530050), (5, 3624040), (7, 2588600), (8, 2265025), (10, 1812020), (14, 1294300), (20, 906010), (25, 724808), (28, 647150), (35, 517720), (40, 453005), (43, 421400), (49, 369800), (50, 362404), (56, 323575), (70, 258860), (86, 210700), (98, 184900), (100, 181202), (140, 129430), (172, 105350), (175, 103544), (196, 92450), (200, 90601), (215, 84280), (245, 73960), (280, 64715), (301, 60200), (344, 52675), (350, 51772), (392, 46225), (430, 42140), (490, 36980), (602, 30100), (700, 25886), (860, 21070), (980, 18490), (1075, 16856), (1204, 15050), (1225, 14792), (1400, 12943), (1505, 12040), (1720, 10535), (1849, 9800), (1960, 9245), (2107, 8600), (2150, 8428), (2408, 7525), (2450, 7396), (3010, 6020), (3698, 4900), (4214, 4300)]