28438440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12473}}^1$

素因数の和:12506

約数の個数: 64

約数和(自身を含む): 89812800

約数和(自身を除く): 61374360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12473, 24946, 37419, 49892, 62365, 74838, 99784, 124730, 149676, 187095, 236987, 249460, 299352, 374190, 473974, 498920, 710961, 748380, 947948, 1184935, 1421922, 1496760, 1895896, 2369870, 2843844, 3554805, 4739740, 5687688, 7109610, 9479480, 14219220, 28438440]

約数ペア:

[(1, 28438440), (2, 14219220), (3, 9479480), (4, 7109610), (5, 5687688), (6, 4739740), (8, 3554805), (10, 2843844), (12, 2369870), (15, 1895896), (19, 1496760), (20, 1421922), (24, 1184935), (30, 947948), (38, 748380), (40, 710961), (57, 498920), (60, 473974), (76, 374190), (95, 299352), (114, 249460), (120, 236987), (152, 187095), (190, 149676), (228, 124730), (285, 99784), (380, 74838), (456, 62365), (570, 49892), (760, 37419), (1140, 24946), (2280, 12473)]