209215620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28349}}^1$

素因数の和:28405

約数の個数: 72

約数和(自身を含む): 650122200

約数和(自身を除く): 440906580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 28349, 56698, 85047, 113396, 141745, 170094, 255141, 283490, 340188, 425235, 510282, 566980, 850470, 1020564, 1162309, 1275705, 1700940, 2324618, 2551410, 3486927, 4649236, 5102820, 5811545, 6973854, 10460781, 11623090, 13947708, 17434635, 20921562, 23246180, 34869270, 41843124, 52303905, 69738540, 104607810, 209215620]

約数ペア:

[(1, 209215620), (2, 104607810), (3, 69738540), (4, 52303905), (5, 41843124), (6, 34869270), (9, 23246180), (10, 20921562), (12, 17434635), (15, 13947708), (18, 11623090), (20, 10460781), (30, 6973854), (36, 5811545), (41, 5102820), (45, 4649236), (60, 3486927), (82, 2551410), (90, 2324618), (123, 1700940), (164, 1275705), (180, 1162309), (205, 1020564), (246, 850470), (369, 566980), (410, 510282), (492, 425235), (615, 340188), (738, 283490), (820, 255141), (1230, 170094), (1476, 141745), (1845, 113396), (2460, 85047), (3690, 56698), (7380, 28349)]