7820230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 16202592

約数和(自身を除く): 8382362

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 281, 506, 562, 605, 1210, 1265, 1405, 2530, 2783, 2810, 3091, 5566, 6182, 6463, 12926, 13915, 15455, 27830, 30910, 32315, 34001, 64630, 68002, 71093, 142186, 170005, 340010, 355465, 710930, 782023, 1564046, 3910115, 7820230]

約数ペア:

[(1, 7820230), (2, 3910115), (5, 1564046), (10, 782023), (11, 710930), (22, 355465), (23, 340010), (46, 170005), (55, 142186), (110, 71093), (115, 68002), (121, 64630), (230, 34001), (242, 32315), (253, 30910), (281, 27830), (506, 15455), (562, 13915), (605, 12926), (1210, 6463), (1265, 6182), (1405, 5566), (2530, 3091), (2783, 2810)]