1869400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2817800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 719, 1300, 1438, 2600, 2876, 3595, 5752, 7190, 9347, 14380, 17975, 18694, 28760, 35950, 37388, 46735, 71900, 74776, 93470, 143800, 186940, 233675, 373880, 467350, 934700, 1869400]

約数ペア:

[(1, 1869400), (2, 934700), (4, 467350), (5, 373880), (8, 233675), (10, 186940), (13, 143800), (20, 93470), (25, 74776), (26, 71900), (40, 46735), (50, 37388), (52, 35950), (65, 28760), (100, 18694), (104, 17975), (130, 14380), (200, 9347), (260, 7190), (325, 5752), (520, 3595), (650, 2876), (719, 2600), (1300, 1438)]