257916288

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 788256000

約数和(自身を除く): 530339712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 229, 336, 384, 419, 448, 458, 672, 687, 838, 896, 916, 1257, 1344, 1374, 1603, 1676, 1832, 2514, 2688, 2748, 2933, 3206, 3352, 3664, 4809, 5028, 5496, 5866, 6412, 6704, 7328, 8799, 9618, 10056, 10992, 11732, 12824, 13408, 14656, 17598, 19236, 20112, 21984, 23464, 25648, 26816, 29312, 35196, 38472, 40224, 43968, 46928, 51296, 53632, 70392, 76944, 80448, 87936, 93856, 95951, 102592, 140784, 153888, 160896, 187712, 191902, 205184, 281568, 287853, 307776, 375424, 383804, 563136, 575706, 615552, 671657, 767608, 1126272, 1151412, 1343314, 1535216, 2014971, 2302824, 2686628, 3070432, 4029942, 4605648, 5373256, 6140864, 8059884, 9211296, 10746512, 12281728, 16119768, 18422592, 21493024, 32239536, 36845184, 42986048, 64479072, 85972096, 128958144, 257916288]

約数ペア:

[(1, 257916288), (2, 128958144), (3, 85972096), (4, 64479072), (6, 42986048), (7, 36845184), (8, 32239536), (12, 21493024), (14, 18422592), (16, 16119768), (21, 12281728), (24, 10746512), (28, 9211296), (32, 8059884), (42, 6140864), (48, 5373256), (56, 4605648), (64, 4029942), (84, 3070432), (96, 2686628), (112, 2302824), (128, 2014971), (168, 1535216), (192, 1343314), (224, 1151412), (229, 1126272), (336, 767608), (384, 671657), (419, 615552), (448, 575706), (458, 563136), (672, 383804), (687, 375424), (838, 307776), (896, 287853), (916, 281568), (1257, 205184), (1344, 191902), (1374, 187712), (1603, 160896), (1676, 153888), (1832, 140784), (2514, 102592), (2688, 95951), (2748, 93856), (2933, 87936), (3206, 80448), (3352, 76944), (3664, 70392), (4809, 53632), (5028, 51296), (5496, 46928), (5866, 43968), (6412, 40224), (6704, 38472), (7328, 35196), (8799, 29312), (9618, 26816), (10056, 25648), (10992, 23464), (11732, 21984), (12824, 20112), (13408, 19236), (14656, 17598)]