172680400

素因数分解:

$2^4\times 5^2\times {\mathrm{433}}^1\times {\mathrm{997}}^1$

素因数の和:1448

約数の個数: 60

約数和(自身を含む): 416239852

約数和(自身を除く): 243559452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 433, 866, 997, 1732, 1994, 2165, 3464, 3988, 4330, 4985, 6928, 7976, 8660, 9970, 10825, 15952, 17320, 19940, 21650, 24925, 34640, 39880, 43300, 49850, 79760, 86600, 99700, 173200, 199400, 398800, 431701, 863402, 1726804, 2158505, 3453608, 4317010, 6907216, 8634020, 10792525, 17268040, 21585050, 34536080, 43170100, 86340200, 172680400]

約数ペア:

[(1, 172680400), (2, 86340200), (4, 43170100), (5, 34536080), (8, 21585050), (10, 17268040), (16, 10792525), (20, 8634020), (25, 6907216), (40, 4317010), (50, 3453608), (80, 2158505), (100, 1726804), (200, 863402), (400, 431701), (433, 398800), (866, 199400), (997, 173200), (1732, 99700), (1994, 86600), (2165, 79760), (3464, 49850), (3988, 43300), (4330, 39880), (4985, 34640), (6928, 24925), (7976, 21650), (8660, 19940), (9970, 17320), (10825, 15952)]