18673900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 48882288

約数和(自身を除く): 30208388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 103, 140, 148, 175, 185, 196, 206, 245, 259, 350, 370, 412, 490, 515, 518, 700, 721, 740, 925, 980, 1030, 1036, 1225, 1295, 1442, 1813, 1850, 2060, 2450, 2575, 2590, 2884, 3605, 3626, 3700, 3811, 4900, 5047, 5150, 5180, 6475, 7210, 7252, 7622, 9065, 10094, 10300, 12950, 14420, 15244, 18025, 18130, 19055, 20188, 25235, 25900, 26677, 36050, 36260, 38110, 45325, 50470, 53354, 72100, 76220, 90650, 95275, 100940, 106708, 126175, 133385, 181300, 186739, 190550, 252350, 266770, 373478, 381100, 504700, 533540, 666925, 746956, 933695, 1333850, 1867390, 2667700, 3734780, 4668475, 9336950, 18673900]

約数ペア:

[(1, 18673900), (2, 9336950), (4, 4668475), (5, 3734780), (7, 2667700), (10, 1867390), (14, 1333850), (20, 933695), (25, 746956), (28, 666925), (35, 533540), (37, 504700), (49, 381100), (50, 373478), (70, 266770), (74, 252350), (98, 190550), (100, 186739), (103, 181300), (140, 133385), (148, 126175), (175, 106708), (185, 100940), (196, 95275), (206, 90650), (245, 76220), (259, 72100), (350, 53354), (370, 50470), (412, 45325), (490, 38110), (515, 36260), (518, 36050), (700, 26677), (721, 25900), (740, 25235), (925, 20188), (980, 19055), (1030, 18130), (1036, 18025), (1225, 15244), (1295, 14420), (1442, 12950), (1813, 10300), (1850, 10094), (2060, 9065), (2450, 7622), (2575, 7252), (2590, 7210), (2884, 6475), (3605, 5180), (3626, 5150), (3700, 5047), (3811, 4900)]