280091392

素因数分解:

$2^8\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 643860000

約数和(自身を除く): 363768608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 256, 298, 448, 596, 896, 1043, 1049, 1192, 1792, 2086, 2098, 2384, 4172, 4196, 4768, 7343, 8344, 8392, 9536, 14686, 16688, 16784, 19072, 29372, 33376, 33568, 38144, 58744, 66752, 67136, 117488, 133504, 134272, 156301, 234976, 267008, 268544, 312602, 469952, 625204, 939904, 1094107, 1250408, 1879808, 2188214, 2500816, 4376428, 5001632, 8752856, 10003264, 17505712, 20006528, 35011424, 40013056, 70022848, 140045696, 280091392]

約数ペア:

[(1, 280091392), (2, 140045696), (4, 70022848), (7, 40013056), (8, 35011424), (14, 20006528), (16, 17505712), (28, 10003264), (32, 8752856), (56, 5001632), (64, 4376428), (112, 2500816), (128, 2188214), (149, 1879808), (224, 1250408), (256, 1094107), (298, 939904), (448, 625204), (596, 469952), (896, 312602), (1043, 268544), (1049, 267008), (1192, 234976), (1792, 156301), (2086, 134272), (2098, 133504), (2384, 117488), (4172, 67136), (4196, 66752), (4768, 58744), (7343, 38144), (8344, 33568), (8392, 33376), (9536, 29372), (14686, 19072), (16688, 16784)]