3919510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 8659440

約数和(自身を除く): 4739930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 421, 490, 665, 842, 931, 1330, 1862, 2105, 2947, 4210, 4655, 5894, 7999, 9310, 14735, 15998, 20629, 29470, 39995, 41258, 55993, 79990, 103145, 111986, 206290, 279965, 391951, 559930, 783902, 1959755, 3919510]

約数ペア:

[(1, 3919510), (2, 1959755), (5, 783902), (7, 559930), (10, 391951), (14, 279965), (19, 206290), (35, 111986), (38, 103145), (49, 79990), (70, 55993), (95, 41258), (98, 39995), (133, 29470), (190, 20629), (245, 15998), (266, 14735), (421, 9310), (490, 7999), (665, 5894), (842, 4655), (931, 4210), (1330, 2947), (1862, 2105)]