240789020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41659}}^1$

素因数の和:41702

約数の個数: 36

約数和(自身を含む): 537164040

約数和(自身を除く): 296375020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 41659, 83318, 166636, 208295, 416590, 708203, 833180, 1416406, 2832812, 3541015, 7082030, 12039451, 14164060, 24078902, 48157804, 60197255, 120394510, 240789020]

約数ペア:

[(1, 240789020), (2, 120394510), (4, 60197255), (5, 48157804), (10, 24078902), (17, 14164060), (20, 12039451), (34, 7082030), (68, 3541015), (85, 2832812), (170, 1416406), (289, 833180), (340, 708203), (578, 416590), (1156, 208295), (1445, 166636), (2890, 83318), (5780, 41659)]