231525640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{863}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 550540800

約数和(自身を除く): 319015160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 353, 380, 706, 760, 863, 1412, 1726, 1765, 2824, 3452, 3530, 4315, 6707, 6904, 7060, 8630, 13414, 14120, 16397, 17260, 26828, 32794, 33535, 34520, 53656, 65588, 67070, 81985, 131176, 134140, 163970, 268280, 304639, 327940, 609278, 655880, 1218556, 1523195, 2437112, 3046390, 5788141, 6092780, 11576282, 12185560, 23152564, 28940705, 46305128, 57881410, 115762820, 231525640]

約数ペア:

[(1, 231525640), (2, 115762820), (4, 57881410), (5, 46305128), (8, 28940705), (10, 23152564), (19, 12185560), (20, 11576282), (38, 6092780), (40, 5788141), (76, 3046390), (95, 2437112), (152, 1523195), (190, 1218556), (353, 655880), (380, 609278), (706, 327940), (760, 304639), (863, 268280), (1412, 163970), (1726, 134140), (1765, 131176), (2824, 81985), (3452, 67070), (3530, 65588), (4315, 53656), (6707, 34520), (6904, 33535), (7060, 32794), (8630, 26828), (13414, 17260), (14120, 16397)]