285879040

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 689261328

約数和(自身を除く): 403382288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 1280, 1291, 1384, 1730, 2582, 2768, 3460, 5164, 5536, 6455, 6920, 10328, 11072, 12910, 13840, 20656, 22144, 25820, 27680, 41312, 44288, 51640, 55360, 82624, 103280, 110720, 165248, 206560, 221440, 223343, 330496, 413120, 446686, 826240, 893372, 1116715, 1652480, 1786744, 2233430, 3573488, 4466860, 7146976, 8933720, 14293952, 17867440, 28587904, 35734880, 57175808, 71469760, 142939520, 285879040]

約数ペア:

[(1, 285879040), (2, 142939520), (4, 71469760), (5, 57175808), (8, 35734880), (10, 28587904), (16, 17867440), (20, 14293952), (32, 8933720), (40, 7146976), (64, 4466860), (80, 3573488), (128, 2233430), (160, 1786744), (173, 1652480), (256, 1116715), (320, 893372), (346, 826240), (640, 446686), (692, 413120), (865, 330496), (1280, 223343), (1291, 221440), (1384, 206560), (1730, 165248), (2582, 110720), (2768, 103280), (3460, 82624), (5164, 55360), (5536, 51640), (6455, 44288), (6920, 41312), (10328, 27680), (11072, 25820), (12910, 22144), (13840, 20656)]