742840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{379}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 1949400

約数和(自身を除く): 1206560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 379, 392, 490, 758, 980, 1516, 1895, 1960, 2653, 3032, 3790, 5306, 7580, 10612, 13265, 15160, 18571, 21224, 26530, 37142, 53060, 74284, 92855, 106120, 148568, 185710, 371420, 742840]

約数ペア:

[(1, 742840), (2, 371420), (4, 185710), (5, 148568), (7, 106120), (8, 92855), (10, 74284), (14, 53060), (20, 37142), (28, 26530), (35, 21224), (40, 18571), (49, 15160), (56, 13265), (70, 10612), (98, 7580), (140, 5306), (196, 3790), (245, 3032), (280, 2653), (379, 1960), (392, 1895), (490, 1516), (758, 980)]