81274550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3181}}^1$

素因数の和:3273

約数の個数: 48

約数和(自身を含む): 175188192

約数和(自身を除く): 93913642

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 146, 175, 350, 365, 511, 730, 1022, 1825, 2555, 3181, 3650, 5110, 6362, 12775, 15905, 22267, 25550, 31810, 44534, 79525, 111335, 159050, 222670, 232213, 464426, 556675, 1113350, 1161065, 1625491, 2322130, 3250982, 5805325, 8127455, 11610650, 16254910, 40637275, 81274550]

約数ペア:

[(1, 81274550), (2, 40637275), (5, 16254910), (7, 11610650), (10, 8127455), (14, 5805325), (25, 3250982), (35, 2322130), (50, 1625491), (70, 1161065), (73, 1113350), (146, 556675), (175, 464426), (350, 232213), (365, 222670), (511, 159050), (730, 111335), (1022, 79525), (1825, 44534), (2555, 31810), (3181, 25550), (3650, 22267), (5110, 15905), (6362, 12775)]