209695440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 663895008

約数和(自身を除く): 454199568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 251, 295, 354, 472, 502, 590, 708, 753, 885, 944, 1004, 1180, 1255, 1416, 1506, 1770, 2008, 2360, 2510, 2832, 3012, 3481, 3540, 3765, 4016, 4720, 5020, 6024, 6962, 7080, 7530, 10040, 10443, 12048, 13924, 14160, 14809, 15060, 17405, 20080, 20886, 27848, 29618, 30120, 34810, 41772, 44427, 52215, 55696, 59236, 60240, 69620, 74045, 83544, 88854, 104430, 118472, 139240, 148090, 167088, 177708, 208860, 222135, 236944, 278480, 296180, 355416, 417720, 444270, 592360, 710832, 835440, 873731, 888540, 1184720, 1747462, 1777080, 2621193, 3494924, 3554160, 4368655, 5242386, 6989848, 8737310, 10484772, 13105965, 13979696, 17474620, 20969544, 26211930, 34949240, 41939088, 52423860, 69898480, 104847720, 209695440]

約数ペア:

[(1, 209695440), (2, 104847720), (3, 69898480), (4, 52423860), (5, 41939088), (6, 34949240), (8, 26211930), (10, 20969544), (12, 17474620), (15, 13979696), (16, 13105965), (20, 10484772), (24, 8737310), (30, 6989848), (40, 5242386), (48, 4368655), (59, 3554160), (60, 3494924), (80, 2621193), (118, 1777080), (120, 1747462), (177, 1184720), (236, 888540), (240, 873731), (251, 835440), (295, 710832), (354, 592360), (472, 444270), (502, 417720), (590, 355416), (708, 296180), (753, 278480), (885, 236944), (944, 222135), (1004, 208860), (1180, 177708), (1255, 167088), (1416, 148090), (1506, 139240), (1770, 118472), (2008, 104430), (2360, 88854), (2510, 83544), (2832, 74045), (3012, 69620), (3481, 60240), (3540, 59236), (3765, 55696), (4016, 52215), (4720, 44427), (5020, 41772), (6024, 34810), (6962, 30120), (7080, 29618), (7530, 27848), (10040, 20886), (10443, 20080), (12048, 17405), (13924, 15060), (14160, 14809)]