30404780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5297}}^1$

素因数の和:5354

約数の個数: 48

約数和(自身を含む): 74765376

約数和(自身を除く): 44360596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5297, 5740, 10594, 21188, 26485, 37079, 52970, 74158, 105940, 148316, 185395, 217177, 370790, 434354, 741580, 868708, 1085885, 1520239, 2171770, 3040478, 4343540, 6080956, 7601195, 15202390, 30404780]

約数ペア:

[(1, 30404780), (2, 15202390), (4, 7601195), (5, 6080956), (7, 4343540), (10, 3040478), (14, 2171770), (20, 1520239), (28, 1085885), (35, 868708), (41, 741580), (70, 434354), (82, 370790), (140, 217177), (164, 185395), (205, 148316), (287, 105940), (410, 74158), (574, 52970), (820, 37079), (1148, 26485), (1435, 21188), (2870, 10594), (5297, 5740)]