378704830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{772867}}^1$

素因数の和:772888

約数の個数: 24

約数和(自身を含む): 792962568

約数和(自身を除く): 414257738

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 772867, 1545734, 3864335, 5410069, 7728670, 10820138, 27050345, 37870483, 54100690, 75740966, 189352415, 378704830]

約数ペア:

[(1, 378704830), (2, 189352415), (5, 75740966), (7, 54100690), (10, 37870483), (14, 27050345), (35, 10820138), (49, 7728670), (70, 5410069), (98, 3864335), (245, 1545734), (490, 772867)]