280188416

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 586629120

約数和(自身を除く): 306440704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 139, 248, 254, 256, 278, 496, 508, 512, 556, 992, 1016, 1112, 1984, 2032, 2224, 3937, 3968, 4064, 4309, 4448, 7874, 7936, 8128, 8618, 8896, 15748, 15872, 16256, 17236, 17653, 17792, 31496, 32512, 34472, 35306, 35584, 62992, 65024, 68944, 70612, 71168, 125984, 137888, 141224, 251968, 275776, 282448, 503936, 547243, 551552, 564896, 1007872, 1094486, 1103104, 1129792, 2015744, 2188972, 2206208, 2259584, 4377944, 4519168, 8755888, 9038336, 17511776, 35023552, 70047104, 140094208, 280188416]

約数ペア:

[(1, 280188416), (2, 140094208), (4, 70047104), (8, 35023552), (16, 17511776), (31, 9038336), (32, 8755888), (62, 4519168), (64, 4377944), (124, 2259584), (127, 2206208), (128, 2188972), (139, 2015744), (248, 1129792), (254, 1103104), (256, 1094486), (278, 1007872), (496, 564896), (508, 551552), (512, 547243), (556, 503936), (992, 282448), (1016, 275776), (1112, 251968), (1984, 141224), (2032, 137888), (2224, 125984), (3937, 71168), (3968, 70612), (4064, 68944), (4309, 65024), (4448, 62992), (7874, 35584), (7936, 35306), (8128, 34472), (8618, 32512), (8896, 31496), (15748, 17792), (15872, 17653), (16256, 17236)]