1385230

素因数分解:

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

素因数の和:289

約数の個数: 48

約数和(自身を含む): 3176496

約数和(自身を除く): 1791266

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 257, 385, 490, 514, 539, 770, 1078, 1285, 1799, 2570, 2695, 2827, 3598, 5390, 5654, 8995, 12593, 14135, 17990, 19789, 25186, 28270, 39578, 62965, 98945, 125930, 138523, 197890, 277046, 692615, 1385230]

約数ペア:

[(1, 1385230), (2, 692615), (5, 277046), (7, 197890), (10, 138523), (11, 125930), (14, 98945), (22, 62965), (35, 39578), (49, 28270), (55, 25186), (70, 19789), (77, 17990), (98, 14135), (110, 12593), (154, 8995), (245, 5654), (257, 5390), (385, 3598), (490, 2827), (514, 2695), (539, 2570), (770, 1799), (1078, 1285)]