28647900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 108

約数和(自身を含む): 90836200

約数和(自身を除く): 62188300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 229, 278, 300, 417, 450, 458, 556, 687, 695, 834, 900, 916, 1145, 1251, 1374, 1390, 1668, 2061, 2085, 2290, 2502, 2748, 2780, 3435, 3475, 4122, 4170, 4580, 5004, 5725, 6255, 6870, 6950, 8244, 8340, 10305, 10425, 11450, 12510, 13740, 13900, 17175, 20610, 20850, 22900, 25020, 31275, 31831, 34350, 41220, 41700, 51525, 62550, 63662, 68700, 95493, 103050, 125100, 127324, 159155, 190986, 206100, 286479, 318310, 381972, 477465, 572958, 636620, 795775, 954930, 1145916, 1432395, 1591550, 1909860, 2387325, 2864790, 3183100, 4774650, 5729580, 7161975, 9549300, 14323950, 28647900]

約数ペア:

[(1, 28647900), (2, 14323950), (3, 9549300), (4, 7161975), (5, 5729580), (6, 4774650), (9, 3183100), (10, 2864790), (12, 2387325), (15, 1909860), (18, 1591550), (20, 1432395), (25, 1145916), (30, 954930), (36, 795775), (45, 636620), (50, 572958), (60, 477465), (75, 381972), (90, 318310), (100, 286479), (139, 206100), (150, 190986), (180, 159155), (225, 127324), (229, 125100), (278, 103050), (300, 95493), (417, 68700), (450, 63662), (458, 62550), (556, 51525), (687, 41700), (695, 41220), (834, 34350), (900, 31831), (916, 31275), (1145, 25020), (1251, 22900), (1374, 20850), (1390, 20610), (1668, 17175), (2061, 13900), (2085, 13740), (2290, 12510), (2502, 11450), (2748, 10425), (2780, 10305), (3435, 8340), (3475, 8244), (4122, 6950), (4170, 6870), (4580, 6255), (5004, 5725)]