156948539090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320303141}}^1$

素因数の和:320303162

約数の個数: 24

約数和(自身を含む): 328631023692

約数和(自身を除く): 171682484602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320303141, 640606282, 1601515705, 2242121987, 3203031410, 4484243974, 11210609935, 15694853909, 22421219870, 31389707818, 78474269545, 156948539090]

約数ペア:

[(1, 156948539090), (2, 78474269545), (5, 31389707818), (7, 22421219870), (10, 15694853909), (14, 11210609935), (35, 4484243974), (49, 3203031410), (70, 2242121987), (98, 1601515705), (245, 640606282), (490, 320303141)]