71690740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1423}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 165070080

約数和(自身を除く): 93379340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 1423, 2290, 2519, 2846, 4580, 5038, 5692, 7115, 10076, 12595, 14230, 15653, 25190, 28460, 31306, 50380, 62612, 78265, 156530, 313060, 325867, 651734, 1303468, 1629335, 3258670, 3584537, 6517340, 7169074, 14338148, 17922685, 35845370, 71690740]

約数ペア:

[(1, 71690740), (2, 35845370), (4, 17922685), (5, 14338148), (10, 7169074), (11, 6517340), (20, 3584537), (22, 3258670), (44, 1629335), (55, 1303468), (110, 651734), (220, 325867), (229, 313060), (458, 156530), (916, 78265), (1145, 62612), (1423, 50380), (2290, 31306), (2519, 28460), (2846, 25190), (4580, 15653), (5038, 14230), (5692, 12595), (7115, 10076)]