1871120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 4583040

約数和(自身を除く): 2711920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1231, 1520, 2462, 4924, 6155, 9848, 12310, 19696, 23389, 24620, 46778, 49240, 93556, 98480, 116945, 187112, 233890, 374224, 467780, 935560, 1871120]

約数ペア:

[(1, 1871120), (2, 935560), (4, 467780), (5, 374224), (8, 233890), (10, 187112), (16, 116945), (19, 98480), (20, 93556), (38, 49240), (40, 46778), (76, 24620), (80, 23389), (95, 19696), (152, 12310), (190, 9848), (304, 6155), (380, 4924), (760, 2462), (1231, 1520)]