315037720

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18797}}^1$

素因数の和:19227

約数の個数: 32

約数和(自身を含む): 710564400

約数和(自身を除く): 395526680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 18797, 37594, 75188, 93985, 150376, 187970, 375940, 751880, 7875943, 15751886, 31503772, 39379715, 63007544, 78759430, 157518860, 315037720]

約数ペア:

[(1, 315037720), (2, 157518860), (4, 78759430), (5, 63007544), (8, 39379715), (10, 31503772), (20, 15751886), (40, 7875943), (419, 751880), (838, 375940), (1676, 187970), (2095, 150376), (3352, 93985), (4190, 75188), (8380, 37594), (16760, 18797)]