117142780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 251274240

約数和(自身を除く): 134131460

約数列:

[1, 2, 4, 5, 10, 20, 79, 151, 158, 302, 316, 395, 491, 604, 755, 790, 982, 1510, 1580, 1964, 2455, 3020, 4910, 9820, 11929, 23858, 38789, 47716, 59645, 74141, 77578, 119290, 148282, 155156, 193945, 238580, 296564, 370705, 387890, 741410, 775780, 1482820, 5857139, 11714278, 23428556, 29285695, 58571390, 117142780]

約数ペア:

[(1, 117142780), (2, 58571390), (4, 29285695), (5, 23428556), (10, 11714278), (20, 5857139), (79, 1482820), (151, 775780), (158, 741410), (302, 387890), (316, 370705), (395, 296564), (491, 238580), (604, 193945), (755, 155156), (790, 148282), (982, 119290), (1510, 77578), (1580, 74141), (1964, 59645), (2455, 47716), (3020, 38789), (4910, 23858), (9820, 11929)]