7858130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 17280000

約数和(自身を除く): 9421870

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 79, 98, 145, 158, 203, 245, 290, 343, 395, 406, 490, 553, 686, 790, 1015, 1106, 1421, 1715, 2030, 2291, 2765, 2842, 3430, 3871, 4582, 5530, 7105, 7742, 9947, 11455, 14210, 16037, 19355, 19894, 22910, 27097, 32074, 38710, 49735, 54194, 80185, 99470, 112259, 135485, 160370, 224518, 270970, 561295, 785813, 1122590, 1571626, 3929065, 7858130]

約数ペア:

[(1, 7858130), (2, 3929065), (5, 1571626), (7, 1122590), (10, 785813), (14, 561295), (29, 270970), (35, 224518), (49, 160370), (58, 135485), (70, 112259), (79, 99470), (98, 80185), (145, 54194), (158, 49735), (203, 38710), (245, 32074), (290, 27097), (343, 22910), (395, 19894), (406, 19355), (490, 16037), (553, 14210), (686, 11455), (790, 9947), (1015, 7742), (1106, 7105), (1421, 5530), (1715, 4582), (2030, 3871), (2291, 3430), (2765, 2842)]