2504390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 5540400

約数和(自身を除く): 3036010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 269, 490, 538, 665, 931, 1330, 1345, 1862, 1883, 2690, 3766, 4655, 5111, 9310, 9415, 10222, 13181, 18830, 25555, 26362, 35777, 51110, 65905, 71554, 131810, 178885, 250439, 357770, 500878, 1252195, 2504390]

約数ペア:

[(1, 2504390), (2, 1252195), (5, 500878), (7, 357770), (10, 250439), (14, 178885), (19, 131810), (35, 71554), (38, 65905), (49, 51110), (70, 35777), (95, 26362), (98, 25555), (133, 18830), (190, 13181), (245, 10222), (266, 9415), (269, 9310), (490, 5111), (538, 4655), (665, 3766), (931, 2690), (1330, 1883), (1345, 1862)]