248065720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28579}}^1$

素因数の和:28628

約数の個数: 64

約数和(自身を含む): 658483200

約数和(自身を除く): 410417480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 28579, 57158, 114316, 142895, 200053, 228632, 285790, 400106, 571580, 800212, 885949, 1000265, 1143160, 1600424, 1771898, 2000530, 3543796, 4001060, 4429745, 6201643, 7087592, 8002120, 8859490, 12403286, 17718980, 24806572, 31008215, 35437960, 49613144, 62016430, 124032860, 248065720]

約数ペア:

[(1, 248065720), (2, 124032860), (4, 62016430), (5, 49613144), (7, 35437960), (8, 31008215), (10, 24806572), (14, 17718980), (20, 12403286), (28, 8859490), (31, 8002120), (35, 7087592), (40, 6201643), (56, 4429745), (62, 4001060), (70, 3543796), (124, 2000530), (140, 1771898), (155, 1600424), (217, 1143160), (248, 1000265), (280, 885949), (310, 800212), (434, 571580), (620, 400106), (868, 285790), (1085, 228632), (1240, 200053), (1736, 142895), (2170, 114316), (4340, 57158), (8680, 28579)]