2770460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 7411824

約数和(自身を除く): 4641364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 257, 308, 385, 490, 514, 539, 770, 980, 1028, 1078, 1285, 1540, 1799, 2156, 2570, 2695, 2827, 3598, 5140, 5390, 5654, 7196, 8995, 10780, 11308, 12593, 14135, 17990, 19789, 25186, 28270, 35980, 39578, 50372, 56540, 62965, 79156, 98945, 125930, 138523, 197890, 251860, 277046, 395780, 554092, 692615, 1385230, 2770460]

約数ペア:

[(1, 2770460), (2, 1385230), (4, 692615), (5, 554092), (7, 395780), (10, 277046), (11, 251860), (14, 197890), (20, 138523), (22, 125930), (28, 98945), (35, 79156), (44, 62965), (49, 56540), (55, 50372), (70, 39578), (77, 35980), (98, 28270), (110, 25186), (140, 19789), (154, 17990), (196, 14135), (220, 12593), (245, 11308), (257, 10780), (308, 8995), (385, 7196), (490, 5654), (514, 5390), (539, 5140), (770, 3598), (980, 2827), (1028, 2695), (1078, 2570), (1285, 2156), (1540, 1799)]