28986400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1946

約数の個数: 72

約数和(自身を含む): 74526480

約数和(自身を除く): 45540080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 1907, 3040, 3800, 3814, 7600, 7628, 9535, 15200, 15256, 19070, 30512, 36233, 38140, 47675, 61024, 72466, 76280, 95350, 144932, 152560, 181165, 190700, 289864, 305120, 362330, 381400, 579728, 724660, 762800, 905825, 1159456, 1449320, 1525600, 1811650, 2898640, 3623300, 5797280, 7246600, 14493200, 28986400]

約数ペア:

[(1, 28986400), (2, 14493200), (4, 7246600), (5, 5797280), (8, 3623300), (10, 2898640), (16, 1811650), (19, 1525600), (20, 1449320), (25, 1159456), (32, 905825), (38, 762800), (40, 724660), (50, 579728), (76, 381400), (80, 362330), (95, 305120), (100, 289864), (152, 190700), (160, 181165), (190, 152560), (200, 144932), (304, 95350), (380, 76280), (400, 72466), (475, 61024), (608, 47675), (760, 38140), (800, 36233), (950, 30512), (1520, 19070), (1900, 15256), (1907, 15200), (3040, 9535), (3800, 7628), (3814, 7600)]