4891490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 24

約数和(自身を含む): 9115740

約数和(自身を除く): 4224250

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 509, 961, 1018, 1922, 2545, 4805, 5090, 9610, 15779, 31558, 78895, 157790, 489149, 978298, 2445745, 4891490]

約数ペア:

[(1, 4891490), (2, 2445745), (5, 978298), (10, 489149), (31, 157790), (62, 78895), (155, 31558), (310, 15779), (509, 9610), (961, 5090), (1018, 4805), (1922, 2545)]