257070384

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61559}}^1$

素因数の和:61602

約数の個数: 60

約数和(自身を含む): 744260400

約数和(自身を除く): 487190016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 61559, 123118, 184677, 246236, 369354, 492472, 554031, 738708, 984944, 1108062, 1477416, 1785211, 2216124, 2954832, 3570422, 4432248, 5355633, 7140844, 8864496, 10711266, 14281688, 16066899, 21422532, 28563376, 32133798, 42845064, 64267596, 85690128, 128535192, 257070384]

約数ペア:

[(1, 257070384), (2, 128535192), (3, 85690128), (4, 64267596), (6, 42845064), (8, 32133798), (9, 28563376), (12, 21422532), (16, 16066899), (18, 14281688), (24, 10711266), (29, 8864496), (36, 7140844), (48, 5355633), (58, 4432248), (72, 3570422), (87, 2954832), (116, 2216124), (144, 1785211), (174, 1477416), (232, 1108062), (261, 984944), (348, 738708), (464, 554031), (522, 492472), (696, 369354), (1044, 246236), (1392, 184677), (2088, 123118), (4176, 61559)]