199983170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 392387328

約数和(自身を除く): 192404158

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 1178, 1787, 1805, 2945, 3574, 3610, 5890, 8935, 11191, 17870, 22382, 33953, 55397, 55955, 67906, 110794, 111910, 169765, 276985, 339530, 553970, 645107, 1052543, 1290214, 2105086, 3225535, 5262715, 6451070, 10525430, 19998317, 39996634, 99991585, 199983170]

約数ペア:

[(1, 199983170), (2, 99991585), (5, 39996634), (10, 19998317), (19, 10525430), (31, 6451070), (38, 5262715), (62, 3225535), (95, 2105086), (155, 1290214), (190, 1052543), (310, 645107), (361, 553970), (589, 339530), (722, 276985), (1178, 169765), (1787, 111910), (1805, 110794), (2945, 67906), (3574, 55955), (3610, 55397), (5890, 33953), (8935, 22382), (11191, 17870)]