18229400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 50220000

約数和(自身を除く): 31990600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 100, 116, 140, 145, 175, 200, 203, 232, 280, 290, 350, 406, 449, 580, 700, 725, 812, 898, 1015, 1160, 1400, 1450, 1624, 1796, 2030, 2245, 2900, 3143, 3592, 4060, 4490, 5075, 5800, 6286, 8120, 8980, 10150, 11225, 12572, 13021, 15715, 17960, 20300, 22450, 25144, 26042, 31430, 40600, 44900, 52084, 62860, 65105, 78575, 89800, 91147, 104168, 125720, 130210, 157150, 182294, 260420, 314300, 325525, 364588, 455735, 520840, 628600, 651050, 729176, 911470, 1302100, 1822940, 2278675, 2604200, 3645880, 4557350, 9114700, 18229400]

約数ペア:

[(1, 18229400), (2, 9114700), (4, 4557350), (5, 3645880), (7, 2604200), (8, 2278675), (10, 1822940), (14, 1302100), (20, 911470), (25, 729176), (28, 651050), (29, 628600), (35, 520840), (40, 455735), (50, 364588), (56, 325525), (58, 314300), (70, 260420), (100, 182294), (116, 157150), (140, 130210), (145, 125720), (175, 104168), (200, 91147), (203, 89800), (232, 78575), (280, 65105), (290, 62860), (350, 52084), (406, 44900), (449, 40600), (580, 31430), (700, 26042), (725, 25144), (812, 22450), (898, 20300), (1015, 17960), (1160, 15715), (1400, 13021), (1450, 12572), (1624, 11225), (1796, 10150), (2030, 8980), (2245, 8120), (2900, 6286), (3143, 5800), (3592, 5075), (4060, 4490)]