1983400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 4731840

約数和(自身を除く): 2748440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 211, 235, 376, 422, 470, 844, 940, 1055, 1175, 1688, 1880, 2110, 2350, 4220, 4700, 5275, 8440, 9400, 9917, 10550, 19834, 21100, 39668, 42200, 49585, 79336, 99170, 198340, 247925, 396680, 495850, 991700, 1983400]

約数ペア:

[(1, 1983400), (2, 991700), (4, 495850), (5, 396680), (8, 247925), (10, 198340), (20, 99170), (25, 79336), (40, 49585), (47, 42200), (50, 39668), (94, 21100), (100, 19834), (188, 10550), (200, 9917), (211, 9400), (235, 8440), (376, 5275), (422, 4700), (470, 4220), (844, 2350), (940, 2110), (1055, 1880), (1175, 1688)]