199878784

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 489600000

約数和(自身を除く): 289721216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 59, 64, 76, 112, 118, 128, 133, 152, 199, 224, 236, 266, 304, 398, 413, 448, 472, 532, 608, 796, 826, 896, 944, 1064, 1121, 1216, 1393, 1592, 1652, 1888, 2128, 2242, 2432, 2786, 3184, 3304, 3776, 3781, 4256, 4484, 5572, 6368, 6608, 7552, 7562, 7847, 8512, 8968, 11144, 11741, 12736, 13216, 15124, 15694, 17024, 17936, 22288, 23482, 25472, 26432, 26467, 30248, 31388, 35872, 44576, 46964, 52864, 52934, 60496, 62776, 71744, 82187, 89152, 93928, 105868, 120992, 125552, 143488, 164374, 178304, 187856, 211736, 223079, 241984, 251104, 328748, 375712, 423472, 446158, 483968, 502208, 657496, 751424, 846944, 892316, 1004416, 1314992, 1502848, 1561553, 1693888, 1784632, 2629984, 3123106, 3387776, 3569264, 5259968, 6246212, 7138528, 10519936, 12492424, 14277056, 24984848, 28554112, 49969696, 99939392, 199878784]

約数ペア:

[(1, 199878784), (2, 99939392), (4, 49969696), (7, 28554112), (8, 24984848), (14, 14277056), (16, 12492424), (19, 10519936), (28, 7138528), (32, 6246212), (38, 5259968), (56, 3569264), (59, 3387776), (64, 3123106), (76, 2629984), (112, 1784632), (118, 1693888), (128, 1561553), (133, 1502848), (152, 1314992), (199, 1004416), (224, 892316), (236, 846944), (266, 751424), (304, 657496), (398, 502208), (413, 483968), (448, 446158), (472, 423472), (532, 375712), (608, 328748), (796, 251104), (826, 241984), (896, 223079), (944, 211736), (1064, 187856), (1121, 178304), (1216, 164374), (1393, 143488), (1592, 125552), (1652, 120992), (1888, 105868), (2128, 93928), (2242, 89152), (2432, 82187), (2786, 71744), (3184, 62776), (3304, 60496), (3776, 52934), (3781, 52864), (4256, 46964), (4484, 44576), (5572, 35872), (6368, 31388), (6608, 30248), (7552, 26467), (7562, 26432), (7847, 25472), (8512, 23482), (8968, 22288), (11144, 17936), (11741, 17024), (12736, 15694), (13216, 15124)]