72801890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35863}}^1$

素因数の和:35906

約数の個数: 32

約数和(自身を含む): 154932480

約数和(自身を除く): 82130590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 35863, 71726, 179315, 251041, 358630, 502082, 1040027, 1255205, 2080054, 2510410, 5200135, 7280189, 10400270, 14560378, 36400945, 72801890]

約数ペア:

[(1, 72801890), (2, 36400945), (5, 14560378), (7, 10400270), (10, 7280189), (14, 5200135), (29, 2510410), (35, 2080054), (58, 1255205), (70, 1040027), (145, 502082), (203, 358630), (290, 251041), (406, 179315), (1015, 71726), (2030, 35863)]