421844270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 826398720

約数和(自身を除く): 404554450

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 97, 190, 194, 235, 470, 485, 487, 893, 970, 974, 1786, 1843, 2435, 3686, 4465, 4559, 4870, 8930, 9118, 9215, 9253, 18430, 18506, 22795, 22889, 45590, 45778, 46265, 47239, 86621, 92530, 94478, 114445, 173242, 228890, 236195, 433105, 434891, 472390, 866210, 869782, 897541, 1795082, 2174455, 2220233, 4348910, 4440466, 4487705, 8975410, 11101165, 22202330, 42184427, 84368854, 210922135, 421844270]

約数ペア:

[(1, 421844270), (2, 210922135), (5, 84368854), (10, 42184427), (19, 22202330), (38, 11101165), (47, 8975410), (94, 4487705), (95, 4440466), (97, 4348910), (190, 2220233), (194, 2174455), (235, 1795082), (470, 897541), (485, 869782), (487, 866210), (893, 472390), (970, 434891), (974, 433105), (1786, 236195), (1843, 228890), (2435, 173242), (3686, 114445), (4465, 94478), (4559, 92530), (4870, 86621), (8930, 47239), (9118, 46265), (9215, 45778), (9253, 45590), (18430, 22889), (18506, 22795)]