2549790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 6800976

約数和(自身を除く): 4251186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 691, 738, 1230, 1382, 1845, 2073, 3455, 3690, 4146, 6219, 6910, 10365, 12438, 20730, 28331, 31095, 56662, 62190, 84993, 141655, 169986, 254979, 283310, 424965, 509958, 849930, 1274895, 2549790]

約数ペア:

[(1, 2549790), (2, 1274895), (3, 849930), (5, 509958), (6, 424965), (9, 283310), (10, 254979), (15, 169986), (18, 141655), (30, 84993), (41, 62190), (45, 56662), (82, 31095), (90, 28331), (123, 20730), (205, 12438), (246, 10365), (369, 6910), (410, 6219), (615, 4146), (691, 3690), (738, 3455), (1230, 2073), (1382, 1845)]