398858240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3541}}^1$

素因数の和:3579

約数の個数: 96

約数和(自身を含む): 1044323280

約数和(自身を除く): 645465040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2048, 2560, 2816, 3520, 3541, 5120, 5632, 7040, 7082, 10240, 11264, 14080, 14164, 17705, 22528, 28160, 28328, 35410, 38951, 56320, 56656, 70820, 77902, 112640, 113312, 141640, 155804, 194755, 226624, 283280, 311608, 389510, 453248, 566560, 623216, 779020, 906496, 1133120, 1246432, 1558040, 1812992, 2266240, 2492864, 3116080, 3625984, 4532480, 4985728, 6232160, 7251968, 9064960, 9971456, 12464320, 18129920, 19942912, 24928640, 36259840, 39885824, 49857280, 79771648, 99714560, 199429120, 398858240]

約数ペア:

[(1, 398858240), (2, 199429120), (4, 99714560), (5, 79771648), (8, 49857280), (10, 39885824), (11, 36259840), (16, 24928640), (20, 19942912), (22, 18129920), (32, 12464320), (40, 9971456), (44, 9064960), (55, 7251968), (64, 6232160), (80, 4985728), (88, 4532480), (110, 3625984), (128, 3116080), (160, 2492864), (176, 2266240), (220, 1812992), (256, 1558040), (320, 1246432), (352, 1133120), (440, 906496), (512, 779020), (640, 623216), (704, 566560), (880, 453248), (1024, 389510), (1280, 311608), (1408, 283280), (1760, 226624), (2048, 194755), (2560, 155804), (2816, 141640), (3520, 113312), (3541, 112640), (5120, 77902), (5632, 70820), (7040, 56656), (7082, 56320), (10240, 38951), (11264, 35410), (14080, 28328), (14164, 28160), (17705, 22528)]