254982770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 542592000

約数和(自身を除く): 287609230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 343, 395, 490, 553, 686, 790, 941, 1106, 1715, 1882, 2765, 3430, 3871, 4705, 5530, 6587, 7742, 9410, 13174, 19355, 27097, 32935, 38710, 46109, 54194, 65870, 74339, 92218, 135485, 148678, 230545, 270970, 322763, 371695, 461090, 520373, 645526, 743390, 1040746, 1613815, 2601865, 3227630, 3642611, 5203730, 7285222, 18213055, 25498277, 36426110, 50996554, 127491385, 254982770]

約数ペア:

[(1, 254982770), (2, 127491385), (5, 50996554), (7, 36426110), (10, 25498277), (14, 18213055), (35, 7285222), (49, 5203730), (70, 3642611), (79, 3227630), (98, 2601865), (158, 1613815), (245, 1040746), (343, 743390), (395, 645526), (490, 520373), (553, 461090), (686, 371695), (790, 322763), (941, 270970), (1106, 230545), (1715, 148678), (1882, 135485), (2765, 92218), (3430, 74339), (3871, 65870), (4705, 54194), (5530, 46109), (6587, 38710), (7742, 32935), (9410, 27097), (13174, 19355)]