205320426275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{178691}}^1$

素因数の和:178820

約数の個数: 48

約数和(自身を含む): 279188380800

約数和(自身を除く): 73867954525

約数列:

[1, 5, 19, 25, 41, 59, 95, 205, 295, 475, 779, 1025, 1121, 1475, 2419, 3895, 5605, 12095, 19475, 28025, 45961, 60475, 178691, 229805, 893455, 1149025, 3395129, 4467275, 7326331, 10542769, 16975645, 36631655, 52713845, 84878225, 139200289, 183158275, 200312611, 263569225, 432253529, 696001445, 1001563055, 2161267645, 3480007225, 5007815275, 8212817051, 10806338225, 41064085255, 205320426275]

約数ペア:

[(1, 205320426275), (5, 41064085255), (19, 10806338225), (25, 8212817051), (41, 5007815275), (59, 3480007225), (95, 2161267645), (205, 1001563055), (295, 696001445), (475, 432253529), (779, 263569225), (1025, 200312611), (1121, 183158275), (1475, 139200289), (2419, 84878225), (3895, 52713845), (5605, 36631655), (12095, 16975645), (19475, 10542769), (28025, 7326331), (45961, 4467275), (60475, 3395129), (178691, 1149025), (229805, 893455)]