1396555720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 3699843840

約数和(自身を除く): 2303288120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 193, 215, 280, 301, 344, 386, 430, 601, 602, 772, 860, 965, 1202, 1204, 1351, 1505, 1544, 1720, 1930, 2404, 2408, 2702, 3005, 3010, 3860, 4207, 4808, 5404, 6010, 6020, 6755, 7720, 8299, 8414, 10808, 12020, 12040, 13510, 16598, 16828, 21035, 24040, 25843, 27020, 33196, 33656, 41495, 42070, 51686, 54040, 58093, 66392, 82990, 84140, 103372, 115993, 116186, 129215, 165980, 168280, 180901, 206744, 231986, 232372, 258430, 290465, 331960, 361802, 463972, 464744, 516860, 579965, 580930, 723604, 811951, 904505, 927944, 1033720, 1159930, 1161860, 1447208, 1623902, 1809010, 2319860, 2323720, 3247804, 3618020, 4059755, 4639720, 4987699, 6495608, 7236040, 8119510, 9975398, 16239020, 19950796, 24938495, 32478040, 34913893, 39901592, 49876990, 69827786, 99753980, 139655572, 174569465, 199507960, 279311144, 349138930, 698277860, 1396555720]

約数ペア:

[(1, 1396555720), (2, 698277860), (4, 349138930), (5, 279311144), (7, 199507960), (8, 174569465), (10, 139655572), (14, 99753980), (20, 69827786), (28, 49876990), (35, 39901592), (40, 34913893), (43, 32478040), (56, 24938495), (70, 19950796), (86, 16239020), (140, 9975398), (172, 8119510), (193, 7236040), (215, 6495608), (280, 4987699), (301, 4639720), (344, 4059755), (386, 3618020), (430, 3247804), (601, 2323720), (602, 2319860), (772, 1809010), (860, 1623902), (965, 1447208), (1202, 1161860), (1204, 1159930), (1351, 1033720), (1505, 927944), (1544, 904505), (1720, 811951), (1930, 723604), (2404, 580930), (2408, 579965), (2702, 516860), (3005, 464744), (3010, 463972), (3860, 361802), (4207, 331960), (4808, 290465), (5404, 258430), (6010, 232372), (6020, 231986), (6755, 206744), (7720, 180901), (8299, 168280), (8414, 165980), (10808, 129215), (12020, 116186), (12040, 115993), (13510, 103372), (16598, 84140), (16828, 82990), (21035, 66392), (24040, 58093), (25843, 54040), (27020, 51686), (33196, 42070), (33656, 41495)]