285048940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{17749}}^1$

素因数の和:17842

約数の個数: 48

約数和(自身を含む): 662004000

約数和(自身を除く): 376955060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 17749, 35498, 70996, 88745, 177490, 195239, 354980, 390478, 780956, 976195, 1295677, 1952390, 2591354, 3904780, 5182708, 6478385, 12956770, 14252447, 25913540, 28504894, 57009788, 71262235, 142524470, 285048940]

約数ペア:

[(1, 285048940), (2, 142524470), (4, 71262235), (5, 57009788), (10, 28504894), (11, 25913540), (20, 14252447), (22, 12956770), (44, 6478385), (55, 5182708), (73, 3904780), (110, 2591354), (146, 1952390), (220, 1295677), (292, 976195), (365, 780956), (730, 390478), (803, 354980), (1460, 195239), (1606, 177490), (3212, 88745), (4015, 70996), (8030, 35498), (16060, 17749)]