388441430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{229847}}^1$

素因数の和:229880

約数の個数: 24

約数和(自身を含む): 757119312

約数和(自身を除く): 368677882

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 229847, 459694, 1149235, 2298470, 2988011, 5976022, 14940055, 29880110, 38844143, 77688286, 194220715, 388441430]

約数ペア:

[(1, 388441430), (2, 194220715), (5, 77688286), (10, 38844143), (13, 29880110), (26, 14940055), (65, 5976022), (130, 2988011), (169, 2298470), (338, 1149235), (845, 459694), (1690, 229847)]