221296990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 448208640

約数和(自身を除く): 226911650

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 131, 170, 190, 262, 323, 523, 646, 655, 1046, 1310, 1615, 2227, 2489, 2615, 3230, 4454, 4978, 5230, 8891, 9937, 11135, 12445, 17782, 19874, 22270, 24890, 42313, 44455, 49685, 68513, 84626, 88910, 99370, 137026, 168929, 211565, 337858, 342565, 423130, 685130, 844645, 1164721, 1301747, 1689290, 2329442, 2603494, 5823605, 6508735, 11647210, 13017470, 22129699, 44259398, 110648495, 221296990]

約数ペア:

[(1, 221296990), (2, 110648495), (5, 44259398), (10, 22129699), (17, 13017470), (19, 11647210), (34, 6508735), (38, 5823605), (85, 2603494), (95, 2329442), (131, 1689290), (170, 1301747), (190, 1164721), (262, 844645), (323, 685130), (523, 423130), (646, 342565), (655, 337858), (1046, 211565), (1310, 168929), (1615, 137026), (2227, 99370), (2489, 88910), (2615, 84626), (3230, 68513), (4454, 49685), (4978, 44455), (5230, 42313), (8891, 24890), (9937, 22270), (11135, 19874), (12445, 17782)]