72171890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{25147}}^1$

素因数の和:25202

約数の個数: 32

約数和(自身を含む): 152095104

約数和(自身を除く): 79923214

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 25147, 50294, 125735, 176029, 251470, 352058, 880145, 1031027, 1760290, 2062054, 5155135, 7217189, 10310270, 14434378, 36085945, 72171890]

約数ペア:

[(1, 72171890), (2, 36085945), (5, 14434378), (7, 10310270), (10, 7217189), (14, 5155135), (35, 2062054), (41, 1760290), (70, 1031027), (82, 880145), (205, 352058), (287, 251470), (410, 176029), (574, 125735), (1435, 50294), (2870, 25147)]