245641424

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 80

約数和(自身を含む): 579427200

約数和(自身を除く): 333785776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 89, 112, 133, 152, 178, 266, 304, 356, 532, 623, 712, 1064, 1246, 1297, 1424, 1691, 2128, 2492, 2594, 3382, 4984, 5188, 6764, 9079, 9968, 10376, 11837, 13528, 18158, 20752, 23674, 24643, 27056, 36316, 47348, 49286, 72632, 94696, 98572, 115433, 145264, 172501, 189392, 197144, 230866, 345002, 394288, 461732, 690004, 808031, 923464, 1380008, 1616062, 1846928, 2193227, 2760016, 3232124, 4386454, 6464248, 8772908, 12928496, 15352589, 17545816, 30705178, 35091632, 61410356, 122820712, 245641424]

約数ペア:

[(1, 245641424), (2, 122820712), (4, 61410356), (7, 35091632), (8, 30705178), (14, 17545816), (16, 15352589), (19, 12928496), (28, 8772908), (38, 6464248), (56, 4386454), (76, 3232124), (89, 2760016), (112, 2193227), (133, 1846928), (152, 1616062), (178, 1380008), (266, 923464), (304, 808031), (356, 690004), (532, 461732), (623, 394288), (712, 345002), (1064, 230866), (1246, 197144), (1297, 189392), (1424, 172501), (1691, 145264), (2128, 115433), (2492, 98572), (2594, 94696), (3382, 72632), (4984, 49286), (5188, 47348), (6764, 36316), (9079, 27056), (9968, 24643), (10376, 23674), (11837, 20752), (13528, 18158)]