138889720025

素因数分解:

$5^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1\times {\mathrm{2749}}^1$

素因数の和:3858

約数の個数: 48

約数和(自身を含む): 197643600000

約数和(自身を除く): 58753879975

約数列:

[1, 5, 7, 25, 35, 175, 449, 643, 2245, 2749, 3143, 3215, 4501, 11225, 13745, 15715, 16075, 19243, 22505, 68725, 78575, 96215, 112525, 288707, 481075, 1234301, 1443535, 1767607, 2020949, 6171505, 7217675, 8640107, 8838035, 10104745, 12373249, 30857525, 43200535, 44190175, 50523725, 61866245, 216002675, 309331225, 793655543, 3968277715, 5555588801, 19841388575, 27777944005, 138889720025]

約数ペア:

[(1, 138889720025), (5, 27777944005), (7, 19841388575), (25, 5555588801), (35, 3968277715), (175, 793655543), (449, 309331225), (643, 216002675), (2245, 61866245), (2749, 50523725), (3143, 44190175), (3215, 43200535), (4501, 30857525), (11225, 12373249), (13745, 10104745), (15715, 8838035), (16075, 8640107), (19243, 7217675), (22505, 6171505), (68725, 2020949), (78575, 1767607), (96215, 1443535), (112525, 1234301), (288707, 481075)]