1427463640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{4657}}^1$

素因数の和:4844

約数の個数: 64

約数和(自身を含む): 3286684800

約数和(自身を除く): 1859221160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 97, 158, 194, 316, 388, 395, 485, 632, 776, 790, 970, 1580, 1940, 3160, 3880, 4657, 7663, 9314, 15326, 18628, 23285, 30652, 37256, 38315, 46570, 61304, 76630, 93140, 153260, 186280, 306520, 367903, 451729, 735806, 903458, 1471612, 1806916, 1839515, 2258645, 2943224, 3613832, 3679030, 4517290, 7358060, 9034580, 14716120, 18069160, 35686591, 71373182, 142746364, 178432955, 285492728, 356865910, 713731820, 1427463640]

約数ペア:

[(1, 1427463640), (2, 713731820), (4, 356865910), (5, 285492728), (8, 178432955), (10, 142746364), (20, 71373182), (40, 35686591), (79, 18069160), (97, 14716120), (158, 9034580), (194, 7358060), (316, 4517290), (388, 3679030), (395, 3613832), (485, 2943224), (632, 2258645), (776, 1839515), (790, 1806916), (970, 1471612), (1580, 903458), (1940, 735806), (3160, 451729), (3880, 367903), (4657, 306520), (7663, 186280), (9314, 153260), (15326, 93140), (18628, 76630), (23285, 61304), (30652, 46570), (37256, 38315)]