4239970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 9418680

約数和(自身を除く): 5178710

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 509, 595, 833, 1018, 1190, 1666, 2545, 3563, 4165, 5090, 7126, 8330, 8653, 17306, 17815, 24941, 35630, 43265, 49882, 60571, 86530, 121142, 124705, 249410, 302855, 423997, 605710, 847994, 2119985, 4239970]

約数ペア:

[(1, 4239970), (2, 2119985), (5, 847994), (7, 605710), (10, 423997), (14, 302855), (17, 249410), (34, 124705), (35, 121142), (49, 86530), (70, 60571), (85, 49882), (98, 43265), (119, 35630), (170, 24941), (238, 17815), (245, 17306), (490, 8653), (509, 8330), (595, 7126), (833, 5090), (1018, 4165), (1190, 3563), (1666, 2545)]