209701980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12527}}^1$

素因数の和:12576

約数の個数: 96

約数和(自身を含む): 673505280

約数和(自身を除く): 463803300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 12527, 16740, 25054, 37581, 50108, 62635, 75162, 112743, 125270, 150324, 187905, 225486, 250540, 338229, 375810, 388337, 450972, 563715, 676458, 751620, 776674, 1127430, 1165011, 1352916, 1553348, 1691145, 1941685, 2254860, 2330022, 3382290, 3495033, 3883370, 4660044, 5825055, 6764580, 6990066, 7766740, 10485099, 11650110, 13980132, 17475165, 20970198, 23300220, 34950330, 41940396, 52425495, 69900660, 104850990, 209701980]

約数ペア:

[(1, 209701980), (2, 104850990), (3, 69900660), (4, 52425495), (5, 41940396), (6, 34950330), (9, 23300220), (10, 20970198), (12, 17475165), (15, 13980132), (18, 11650110), (20, 10485099), (27, 7766740), (30, 6990066), (31, 6764580), (36, 5825055), (45, 4660044), (54, 3883370), (60, 3495033), (62, 3382290), (90, 2330022), (93, 2254860), (108, 1941685), (124, 1691145), (135, 1553348), (155, 1352916), (180, 1165011), (186, 1127430), (270, 776674), (279, 751620), (310, 676458), (372, 563715), (465, 450972), (540, 388337), (558, 375810), (620, 338229), (837, 250540), (930, 225486), (1116, 187905), (1395, 150324), (1674, 125270), (1860, 112743), (2790, 75162), (3348, 62635), (4185, 50108), (5580, 37581), (8370, 25054), (12527, 16740)]