89899180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27919}}^1$

素因数の和:27958

約数の個数: 48

約数和(自身を含む): 225146880

約数和(自身を除く): 135247700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27919, 55838, 111676, 139595, 195433, 279190, 390866, 558380, 642137, 781732, 977165, 1284274, 1954330, 2568548, 3210685, 3908660, 4494959, 6421370, 8989918, 12842740, 17979836, 22474795, 44949590, 89899180]

約数ペア:

[(1, 89899180), (2, 44949590), (4, 22474795), (5, 17979836), (7, 12842740), (10, 8989918), (14, 6421370), (20, 4494959), (23, 3908660), (28, 3210685), (35, 2568548), (46, 1954330), (70, 1284274), (92, 977165), (115, 781732), (140, 642137), (161, 558380), (230, 390866), (322, 279190), (460, 195433), (644, 139595), (805, 111676), (1610, 55838), (3220, 27919)]