28427350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 72

約数和(自身を含む): 63230328

約数和(自身を除く): 34802978

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 283, 287, 350, 410, 490, 566, 574, 1025, 1225, 1415, 1435, 1981, 2009, 2050, 2450, 2830, 2870, 3962, 4018, 7075, 7175, 9905, 10045, 11603, 13867, 14150, 14350, 19810, 20090, 23206, 27734, 49525, 50225, 58015, 69335, 81221, 99050, 100450, 116030, 138670, 162442, 290075, 346675, 406105, 568547, 580150, 693350, 812210, 1137094, 2030525, 2842735, 4061050, 5685470, 14213675, 28427350]

約数ペア:

[(1, 28427350), (2, 14213675), (5, 5685470), (7, 4061050), (10, 2842735), (14, 2030525), (25, 1137094), (35, 812210), (41, 693350), (49, 580150), (50, 568547), (70, 406105), (82, 346675), (98, 290075), (175, 162442), (205, 138670), (245, 116030), (283, 100450), (287, 99050), (350, 81221), (410, 69335), (490, 58015), (566, 50225), (574, 49525), (1025, 27734), (1225, 23206), (1415, 20090), (1435, 19810), (1981, 14350), (2009, 14150), (2050, 13867), (2450, 11603), (2830, 10045), (2870, 9905), (3962, 7175), (4018, 7075)]