2490030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 6580080

約数和(自身を除く): 4090050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 379, 438, 657, 730, 758, 1095, 1137, 1314, 1895, 2190, 2274, 3285, 3411, 3790, 5685, 6570, 6822, 11370, 17055, 27667, 34110, 55334, 83001, 138335, 166002, 249003, 276670, 415005, 498006, 830010, 1245015, 2490030]

約数ペア:

[(1, 2490030), (2, 1245015), (3, 830010), (5, 498006), (6, 415005), (9, 276670), (10, 249003), (15, 166002), (18, 138335), (30, 83001), (45, 55334), (73, 34110), (90, 27667), (146, 17055), (219, 11370), (365, 6822), (379, 6570), (438, 5685), (657, 3790), (730, 3411), (758, 3285), (1095, 2274), (1137, 2190), (1314, 1895)]