285067520

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^2\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 108

約数和(自身を含む): 715500156

約数和(自身を除く): 430432636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 421, 460, 529, 640, 736, 842, 920, 1058, 1280, 1472, 1684, 1840, 2105, 2116, 2645, 2944, 3368, 3680, 4210, 4232, 5290, 5888, 6736, 7360, 8420, 8464, 9683, 10580, 13472, 14720, 16840, 16928, 19366, 21160, 26944, 29440, 33680, 33856, 38732, 42320, 48415, 53888, 67360, 67712, 77464, 84640, 96830, 107776, 134720, 135424, 154928, 169280, 193660, 222709, 269440, 309856, 338560, 387320, 445418, 538880, 619712, 677120, 774640, 890836, 1113545, 1239424, 1549280, 1781672, 2227090, 2478848, 3098560, 3563344, 4454180, 6197120, 7126688, 8908360, 12394240, 14253376, 17816720, 28506752, 35633440, 57013504, 71266880, 142533760, 285067520]

約数ペア:

[(1, 285067520), (2, 142533760), (4, 71266880), (5, 57013504), (8, 35633440), (10, 28506752), (16, 17816720), (20, 14253376), (23, 12394240), (32, 8908360), (40, 7126688), (46, 6197120), (64, 4454180), (80, 3563344), (92, 3098560), (115, 2478848), (128, 2227090), (160, 1781672), (184, 1549280), (230, 1239424), (256, 1113545), (320, 890836), (368, 774640), (421, 677120), (460, 619712), (529, 538880), (640, 445418), (736, 387320), (842, 338560), (920, 309856), (1058, 269440), (1280, 222709), (1472, 193660), (1684, 169280), (1840, 154928), (2105, 135424), (2116, 134720), (2645, 107776), (2944, 96830), (3368, 84640), (3680, 77464), (4210, 67712), (4232, 67360), (5290, 53888), (5888, 48415), (6736, 42320), (7360, 38732), (8420, 33856), (8464, 33680), (9683, 29440), (10580, 26944), (13472, 21160), (14720, 19366), (16840, 16928)]