27830078920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1258141}}^1$

素因数の和:1258238

約数の個数: 64

約数和(自身を含む): 72468979200

約数和(自身を除く): 44638900280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 22120, 1258141, 2516282, 5032564, 6290705, 8806987, 10065128, 12581410, 17613974, 25162820, 35227948, 44034935, 50325640, 70455896, 88069870, 99393139, 176139740, 198786278, 352279480, 397572556, 496965695, 695751973, 795145112, 993931390, 1391503946, 1987862780, 2783007892, 3478759865, 3975725560, 5566015784, 6957519730, 13915039460, 27830078920]

約数ペア:

[(1, 27830078920), (2, 13915039460), (4, 6957519730), (5, 5566015784), (7, 3975725560), (8, 3478759865), (10, 2783007892), (14, 1987862780), (20, 1391503946), (28, 993931390), (35, 795145112), (40, 695751973), (56, 496965695), (70, 397572556), (79, 352279480), (140, 198786278), (158, 176139740), (280, 99393139), (316, 88069870), (395, 70455896), (553, 50325640), (632, 44034935), (790, 35227948), (1106, 25162820), (1580, 17613974), (2212, 12581410), (2765, 10065128), (3160, 8806987), (4424, 6290705), (5530, 5032564), (11060, 2516282), (22120, 1258141)]