2017820900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28703}}^1$

素因数の和:28773

約数の個数: 72

約数和(自身を含む): 4733863680

約数和(自身を除く): 2716042780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 925, 950, 1406, 1850, 1900, 2812, 3515, 3700, 7030, 14060, 17575, 28703, 35150, 57406, 70300, 114812, 143515, 287030, 545357, 574060, 717575, 1062011, 1090714, 1435150, 2124022, 2181428, 2726785, 2870300, 4248044, 5310055, 5453570, 10620110, 10907140, 13633925, 20178209, 21240220, 26550275, 27267850, 40356418, 53100550, 54535700, 80712836, 100891045, 106201100, 201782090, 403564180, 504455225, 1008910450, 2017820900]

約数ペア:

[(1, 2017820900), (2, 1008910450), (4, 504455225), (5, 403564180), (10, 201782090), (19, 106201100), (20, 100891045), (25, 80712836), (37, 54535700), (38, 53100550), (50, 40356418), (74, 27267850), (76, 26550275), (95, 21240220), (100, 20178209), (148, 13633925), (185, 10907140), (190, 10620110), (370, 5453570), (380, 5310055), (475, 4248044), (703, 2870300), (740, 2726785), (925, 2181428), (950, 2124022), (1406, 1435150), (1850, 1090714), (1900, 1062011), (2812, 717575), (3515, 574060), (3700, 545357), (7030, 287030), (14060, 143515), (17575, 114812), (28703, 70300), (35150, 57406)]