871678460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{15797}}^1$

素因数の和:15926

約数の個数: 48

約数和(自身を含む): 1910926080

約数和(自身を除く): 1039247620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 11036, 13795, 15797, 27590, 31594, 55180, 63188, 78985, 157970, 315940, 489707, 979414, 1405933, 1958828, 2448535, 2811866, 4897070, 5623732, 7029665, 9794140, 14059330, 28118660, 43583923, 87167846, 174335692, 217919615, 435839230, 871678460]

約数ペア:

[(1, 871678460), (2, 435839230), (4, 217919615), (5, 174335692), (10, 87167846), (20, 43583923), (31, 28118660), (62, 14059330), (89, 9794140), (124, 7029665), (155, 5623732), (178, 4897070), (310, 2811866), (356, 2448535), (445, 1958828), (620, 1405933), (890, 979414), (1780, 489707), (2759, 315940), (5518, 157970), (11036, 78985), (13795, 63188), (15797, 55180), (27590, 31594)]