259555520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{115873}}^1$

素因数の和:115897

約数の個数: 56

約数和(自身を含む): 706367904

約数和(自身を除く): 446812384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 115873, 231746, 463492, 579365, 811111, 926984, 1158730, 1622222, 1853968, 2317460, 3244444, 3707936, 4055555, 4634920, 6488888, 7415872, 8111110, 9269840, 12977776, 16222220, 18539680, 25955552, 32444440, 37079360, 51911104, 64888880, 129777760, 259555520]

約数ペア:

[(1, 259555520), (2, 129777760), (4, 64888880), (5, 51911104), (7, 37079360), (8, 32444440), (10, 25955552), (14, 18539680), (16, 16222220), (20, 12977776), (28, 9269840), (32, 8111110), (35, 7415872), (40, 6488888), (56, 4634920), (64, 4055555), (70, 3707936), (80, 3244444), (112, 2317460), (140, 1853968), (160, 1622222), (224, 1158730), (280, 926984), (320, 811111), (448, 579365), (560, 463492), (1120, 231746), (2240, 115873)]