1209870830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{39371}}^1$

素因数の和:39824

約数の個数: 32

約数和(自身を含む): 2494609920

約数和(自身を除く): 1284739090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2195, 3073, 4390, 6146, 15365, 30730, 39371, 78742, 196855, 275597, 393710, 551194, 1377985, 2755970, 17283869, 34567738, 86419345, 120987083, 172838690, 241974166, 604935415, 1209870830]

約数ペア:

[(1, 1209870830), (2, 604935415), (5, 241974166), (7, 172838690), (10, 120987083), (14, 86419345), (35, 34567738), (70, 17283869), (439, 2755970), (878, 1377985), (2195, 551194), (3073, 393710), (4390, 275597), (6146, 196855), (15365, 78742), (30730, 39371)]