190914920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{681839}}^1$

素因数の和:681857

約数の個数: 32

約数和(自身を含む): 490924800

約数和(自身を除く): 300009880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 681839, 1363678, 2727356, 3409195, 4772873, 5454712, 6818390, 9545746, 13636780, 19091492, 23864365, 27273560, 38182984, 47728730, 95457460, 190914920]

約数ペア:

[(1, 190914920), (2, 95457460), (4, 47728730), (5, 38182984), (7, 27273560), (8, 23864365), (10, 19091492), (14, 13636780), (20, 9545746), (28, 6818390), (35, 5454712), (40, 4772873), (56, 3409195), (70, 2727356), (140, 1363678), (280, 681839)]