78804590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1721}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 150020640

約数和(自身を除く): 71216050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 482, 1205, 1721, 2410, 3442, 4579, 8605, 9158, 17210, 22895, 32699, 45790, 65398, 163495, 326990, 414761, 829522, 2073805, 4147610, 7880459, 15760918, 39402295, 78804590]

約数ペア:

[(1, 78804590), (2, 39402295), (5, 15760918), (10, 7880459), (19, 4147610), (38, 2073805), (95, 829522), (190, 414761), (241, 326990), (482, 163495), (1205, 65398), (1721, 45790), (2410, 32699), (3442, 22895), (4579, 17210), (8605, 9158)]