28494820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 62843760

約数和(自身を除く): 34348940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 673, 730, 1346, 1460, 2117, 2692, 3365, 4234, 6730, 8468, 10585, 13460, 19517, 21170, 39034, 42340, 49129, 78068, 97585, 98258, 195170, 196516, 245645, 390340, 491290, 982580, 1424741, 2849482, 5698964, 7123705, 14247410, 28494820]

約数ペア:

[(1, 28494820), (2, 14247410), (4, 7123705), (5, 5698964), (10, 2849482), (20, 1424741), (29, 982580), (58, 491290), (73, 390340), (116, 245645), (145, 196516), (146, 195170), (290, 98258), (292, 97585), (365, 78068), (580, 49129), (673, 42340), (730, 39034), (1346, 21170), (1460, 19517), (2117, 13460), (2692, 10585), (3365, 8468), (4234, 6730)]