318946768

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2216

約数の個数: 80

約数和(自身を含む): 754237440

約数和(自身を除く): 435290672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 266, 284, 304, 497, 532, 568, 994, 1064, 1136, 1349, 1988, 2111, 2128, 2698, 3976, 4222, 5396, 7952, 8444, 9443, 10792, 14777, 16888, 18886, 21584, 29554, 33776, 37772, 40109, 59108, 75544, 80218, 118216, 149881, 151088, 160436, 236432, 280763, 299762, 320872, 561526, 599524, 641744, 1049167, 1123052, 1199048, 2098334, 2246104, 2398096, 2847739, 4196668, 4492208, 5695478, 8393336, 11390956, 16786672, 19934173, 22781912, 39868346, 45563824, 79736692, 159473384, 318946768]

約数ペア:

[(1, 318946768), (2, 159473384), (4, 79736692), (7, 45563824), (8, 39868346), (14, 22781912), (16, 19934173), (19, 16786672), (28, 11390956), (38, 8393336), (56, 5695478), (71, 4492208), (76, 4196668), (112, 2847739), (133, 2398096), (142, 2246104), (152, 2098334), (266, 1199048), (284, 1123052), (304, 1049167), (497, 641744), (532, 599524), (568, 561526), (994, 320872), (1064, 299762), (1136, 280763), (1349, 236432), (1988, 160436), (2111, 151088), (2128, 149881), (2698, 118216), (3976, 80218), (4222, 75544), (5396, 59108), (7952, 40109), (8444, 37772), (9443, 33776), (10792, 29554), (14777, 21584), (16888, 18886)]