72192620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 155076768

約数和(自身を除く): 82884148

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 251, 292, 365, 394, 502, 730, 788, 985, 1004, 1255, 1460, 1970, 2510, 3940, 5020, 14381, 18323, 28762, 36646, 49447, 57524, 71905, 73292, 91615, 98894, 143810, 183230, 197788, 247235, 287620, 366460, 494470, 988940, 3609631, 7219262, 14438524, 18048155, 36096310, 72192620]

約数ペア:

[(1, 72192620), (2, 36096310), (4, 18048155), (5, 14438524), (10, 7219262), (20, 3609631), (73, 988940), (146, 494470), (197, 366460), (251, 287620), (292, 247235), (365, 197788), (394, 183230), (502, 143810), (730, 98894), (788, 91615), (985, 73292), (1004, 71905), (1255, 57524), (1460, 49447), (1970, 36646), (2510, 28762), (3940, 18323), (5020, 14381)]