217880100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2221}}^1$

素因数の和:2350

約数の個数: 108

約数和(自身を含む): 689508820

約数和(自身を除く): 471628720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 109, 150, 180, 218, 225, 300, 327, 436, 450, 545, 654, 900, 981, 1090, 1308, 1635, 1962, 2180, 2221, 2725, 3270, 3924, 4442, 4905, 5450, 6540, 6663, 8175, 8884, 9810, 10900, 11105, 13326, 16350, 19620, 19989, 22210, 24525, 26652, 32700, 33315, 39978, 44420, 49050, 55525, 66630, 79956, 98100, 99945, 111050, 133260, 166575, 199890, 222100, 242089, 333150, 399780, 484178, 499725, 666300, 726267, 968356, 999450, 1210445, 1452534, 1998900, 2178801, 2420890, 2905068, 3631335, 4357602, 4841780, 6052225, 7262670, 8715204, 10894005, 12104450, 14525340, 18156675, 21788010, 24208900, 36313350, 43576020, 54470025, 72626700, 108940050, 217880100]

約数ペア:

[(1, 217880100), (2, 108940050), (3, 72626700), (4, 54470025), (5, 43576020), (6, 36313350), (9, 24208900), (10, 21788010), (12, 18156675), (15, 14525340), (18, 12104450), (20, 10894005), (25, 8715204), (30, 7262670), (36, 6052225), (45, 4841780), (50, 4357602), (60, 3631335), (75, 2905068), (90, 2420890), (100, 2178801), (109, 1998900), (150, 1452534), (180, 1210445), (218, 999450), (225, 968356), (300, 726267), (327, 666300), (436, 499725), (450, 484178), (545, 399780), (654, 333150), (900, 242089), (981, 222100), (1090, 199890), (1308, 166575), (1635, 133260), (1962, 111050), (2180, 99945), (2221, 98100), (2725, 79956), (3270, 66630), (3924, 55525), (4442, 49050), (4905, 44420), (5450, 39978), (6540, 33315), (6663, 32700), (8175, 26652), (8884, 24525), (9810, 22210), (10900, 19989), (11105, 19620), (13326, 16350)]