491711488

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 88

約数和(自身を含む): 1048064000

約数和(自身を除く): 556352512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 199, 254, 256, 304, 398, 508, 512, 608, 796, 1016, 1024, 1216, 1592, 2032, 2413, 2432, 3184, 3781, 4064, 4826, 4864, 6368, 7562, 8128, 9652, 9728, 12736, 15124, 16256, 19304, 19456, 25273, 25472, 30248, 32512, 38608, 50546, 50944, 60496, 65024, 77216, 101092, 101888, 120992, 130048, 154432, 202184, 203776, 241984, 308864, 404368, 480187, 483968, 617728, 808736, 960374, 967936, 1235456, 1617472, 1920748, 1935872, 2470912, 3234944, 3841496, 3871744, 6469888, 7682992, 12939776, 15365984, 25879552, 30731968, 61463936, 122927872, 245855744, 491711488]

約数ペア:

[(1, 491711488), (2, 245855744), (4, 122927872), (8, 61463936), (16, 30731968), (19, 25879552), (32, 15365984), (38, 12939776), (64, 7682992), (76, 6469888), (127, 3871744), (128, 3841496), (152, 3234944), (199, 2470912), (254, 1935872), (256, 1920748), (304, 1617472), (398, 1235456), (508, 967936), (512, 960374), (608, 808736), (796, 617728), (1016, 483968), (1024, 480187), (1216, 404368), (1592, 308864), (2032, 241984), (2413, 203776), (2432, 202184), (3184, 154432), (3781, 130048), (4064, 120992), (4826, 101888), (4864, 101092), (6368, 77216), (7562, 65024), (8128, 60496), (9652, 50944), (9728, 50546), (12736, 38608), (15124, 32512), (16256, 30248), (19304, 25472), (19456, 25273)]