139919430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21493}}^1$

素因数の和:21541

約数の個数: 64

約数和(自身を含む): 396177408

約数和(自身を除く): 256257978

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 21493, 42986, 64479, 107465, 128958, 150451, 214930, 300902, 322395, 451353, 644790, 666283, 752255, 902706, 1332566, 1504510, 1998849, 2256765, 3331415, 3997698, 4513530, 4663981, 6662830, 9327962, 9994245, 13991943, 19988490, 23319905, 27983886, 46639810, 69959715, 139919430]

約数ペア:

[(1, 139919430), (2, 69959715), (3, 46639810), (5, 27983886), (6, 23319905), (7, 19988490), (10, 13991943), (14, 9994245), (15, 9327962), (21, 6662830), (30, 4663981), (31, 4513530), (35, 3997698), (42, 3331415), (62, 2256765), (70, 1998849), (93, 1504510), (105, 1332566), (155, 902706), (186, 752255), (210, 666283), (217, 644790), (310, 451353), (434, 322395), (465, 300902), (651, 214930), (930, 150451), (1085, 128958), (1302, 107465), (2170, 64479), (3255, 42986), (6510, 21493)]