1999202260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{23977}}^1$

素因数の和:24376

約数の個数: 48

約数和(自身を含む): 4592266560

約数和(自身を除く): 2593064300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 3790, 4169, 7580, 8338, 16676, 20845, 23977, 41690, 47954, 83380, 95908, 119885, 239770, 263747, 479540, 527494, 1054988, 1318735, 2637470, 5274940, 9087283, 18174566, 36349132, 45436415, 90872830, 99960113, 181745660, 199920226, 399840452, 499800565, 999601130, 1999202260]

約数ペア:

[(1, 1999202260), (2, 999601130), (4, 499800565), (5, 399840452), (10, 199920226), (11, 181745660), (20, 99960113), (22, 90872830), (44, 45436415), (55, 36349132), (110, 18174566), (220, 9087283), (379, 5274940), (758, 2637470), (1516, 1318735), (1895, 1054988), (3790, 527494), (4169, 479540), (7580, 263747), (8338, 239770), (16676, 119885), (20845, 95908), (23977, 83380), (41690, 47954)]