278370420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1217

約数の個数: 96

約数和(自身を含む): 812246400

約数和(自身を除く): 533875980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 157, 174, 290, 314, 348, 435, 471, 580, 628, 785, 870, 942, 1019, 1570, 1740, 1884, 2038, 2355, 3057, 3140, 4076, 4553, 4710, 5095, 6114, 9106, 9420, 10190, 12228, 13659, 15285, 18212, 20380, 22765, 27318, 29551, 30570, 45530, 54636, 59102, 61140, 68295, 88653, 91060, 118204, 136590, 147755, 159983, 177306, 273180, 295510, 319966, 354612, 443265, 479949, 591020, 639932, 799915, 886530, 959898, 1599830, 1773060, 1919796, 2399745, 3199660, 4639507, 4799490, 9279014, 9598980, 13918521, 18558028, 23197535, 27837042, 46395070, 55674084, 69592605, 92790140, 139185210, 278370420]

約数ペア:

[(1, 278370420), (2, 139185210), (3, 92790140), (4, 69592605), (5, 55674084), (6, 46395070), (10, 27837042), (12, 23197535), (15, 18558028), (20, 13918521), (29, 9598980), (30, 9279014), (58, 4799490), (60, 4639507), (87, 3199660), (116, 2399745), (145, 1919796), (157, 1773060), (174, 1599830), (290, 959898), (314, 886530), (348, 799915), (435, 639932), (471, 591020), (580, 479949), (628, 443265), (785, 354612), (870, 319966), (942, 295510), (1019, 273180), (1570, 177306), (1740, 159983), (1884, 147755), (2038, 136590), (2355, 118204), (3057, 91060), (3140, 88653), (4076, 68295), (4553, 61140), (4710, 59102), (5095, 54636), (6114, 45530), (9106, 30570), (9420, 29551), (10190, 27318), (12228, 22765), (13659, 20380), (15285, 18212)]