209565280

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 509864544

約数和(自身を除く): 300299264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 113, 134, 160, 173, 226, 268, 335, 346, 452, 536, 565, 670, 692, 865, 904, 1072, 1130, 1340, 1384, 1730, 1808, 2144, 2260, 2680, 2768, 3460, 3616, 4520, 5360, 5536, 6920, 7571, 9040, 10720, 11591, 13840, 15142, 18080, 19549, 23182, 27680, 30284, 37855, 39098, 46364, 57955, 60568, 75710, 78196, 92728, 97745, 115910, 121136, 151420, 156392, 185456, 195490, 231820, 242272, 302840, 312784, 370912, 390980, 463640, 605680, 625568, 781960, 927280, 1211360, 1309783, 1563920, 1854560, 2619566, 3127840, 5239132, 6548915, 10478264, 13097830, 20956528, 26195660, 41913056, 52391320, 104782640, 209565280]

約数ペア:

[(1, 209565280), (2, 104782640), (4, 52391320), (5, 41913056), (8, 26195660), (10, 20956528), (16, 13097830), (20, 10478264), (32, 6548915), (40, 5239132), (67, 3127840), (80, 2619566), (113, 1854560), (134, 1563920), (160, 1309783), (173, 1211360), (226, 927280), (268, 781960), (335, 625568), (346, 605680), (452, 463640), (536, 390980), (565, 370912), (670, 312784), (692, 302840), (865, 242272), (904, 231820), (1072, 195490), (1130, 185456), (1340, 156392), (1384, 151420), (1730, 121136), (1808, 115910), (2144, 97745), (2260, 92728), (2680, 78196), (2768, 75710), (3460, 60568), (3616, 57955), (4520, 46364), (5360, 39098), (5536, 37855), (6920, 30284), (7571, 27680), (9040, 23182), (10720, 19549), (11591, 18080), (13840, 15142)]