394255728

素因数分解:

$2^4\times 3^3\times {\mathrm{457}}^1\times {\mathrm{1997}}^1$

素因数の和:2471

約数の個数: 80

約数和(自身を含む): 1134704160

約数和(自身を除く): 740448432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 457, 914, 1371, 1828, 1997, 2742, 3656, 3994, 4113, 5484, 5991, 7312, 7988, 8226, 10968, 11982, 12339, 15976, 16452, 17973, 21936, 23964, 24678, 31952, 32904, 35946, 47928, 49356, 53919, 65808, 71892, 95856, 98712, 107838, 143784, 197424, 215676, 287568, 431352, 862704, 912629, 1825258, 2737887, 3650516, 5475774, 7301032, 8213661, 10951548, 14602064, 16427322, 21903096, 24640983, 32854644, 43806192, 49281966, 65709288, 98563932, 131418576, 197127864, 394255728]

約数ペア:

[(1, 394255728), (2, 197127864), (3, 131418576), (4, 98563932), (6, 65709288), (8, 49281966), (9, 43806192), (12, 32854644), (16, 24640983), (18, 21903096), (24, 16427322), (27, 14602064), (36, 10951548), (48, 8213661), (54, 7301032), (72, 5475774), (108, 3650516), (144, 2737887), (216, 1825258), (432, 912629), (457, 862704), (914, 431352), (1371, 287568), (1828, 215676), (1997, 197424), (2742, 143784), (3656, 107838), (3994, 98712), (4113, 95856), (5484, 71892), (5991, 65808), (7312, 53919), (7988, 49356), (8226, 47928), (10968, 35946), (11982, 32904), (12339, 31952), (15976, 24678), (16452, 23964), (17973, 21936)]