338928640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 88

約数和(自身を含む): 829035000

約数和(自身を除く): 490106360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1024, 1060, 1249, 1280, 1696, 2120, 2498, 2560, 3392, 4240, 4996, 5120, 6245, 6784, 8480, 9992, 12490, 13568, 16960, 19984, 24980, 27136, 33920, 39968, 49960, 54272, 66197, 67840, 79936, 99920, 132394, 135680, 159872, 199840, 264788, 271360, 319744, 330985, 399680, 529576, 639488, 661970, 799360, 1059152, 1278976, 1323940, 1598720, 2118304, 2647880, 3197440, 4236608, 5295760, 6394880, 8473216, 10591520, 16946432, 21183040, 33892864, 42366080, 67785728, 84732160, 169464320, 338928640]

約数ペア:

[(1, 338928640), (2, 169464320), (4, 84732160), (5, 67785728), (8, 42366080), (10, 33892864), (16, 21183040), (20, 16946432), (32, 10591520), (40, 8473216), (53, 6394880), (64, 5295760), (80, 4236608), (106, 3197440), (128, 2647880), (160, 2118304), (212, 1598720), (256, 1323940), (265, 1278976), (320, 1059152), (424, 799360), (512, 661970), (530, 639488), (640, 529576), (848, 399680), (1024, 330985), (1060, 319744), (1249, 271360), (1280, 264788), (1696, 199840), (2120, 159872), (2498, 135680), (2560, 132394), (3392, 99920), (4240, 79936), (4996, 67840), (5120, 66197), (6245, 54272), (6784, 49960), (8480, 39968), (9992, 33920), (12490, 27136), (13568, 24980), (16960, 19984)]