126510820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 270119808

約数和(自身を除く): 143608988

約数列:

[1, 2, 4, 5, 10, 20, 151, 163, 257, 302, 326, 514, 604, 652, 755, 815, 1028, 1285, 1510, 1630, 2570, 3020, 3260, 5140, 24613, 38807, 41891, 49226, 77614, 83782, 98452, 123065, 155228, 167564, 194035, 209455, 246130, 388070, 418910, 492260, 776140, 837820, 6325541, 12651082, 25302164, 31627705, 63255410, 126510820]

約数ペア:

[(1, 126510820), (2, 63255410), (4, 31627705), (5, 25302164), (10, 12651082), (20, 6325541), (151, 837820), (163, 776140), (257, 492260), (302, 418910), (326, 388070), (514, 246130), (604, 209455), (652, 194035), (755, 167564), (815, 155228), (1028, 123065), (1285, 98452), (1510, 83782), (1630, 77614), (2570, 49226), (3020, 41891), (3260, 38807), (5140, 24613)]