209006710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 426980160

約数和(自身を除く): 217973450

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 89, 110, 178, 185, 370, 407, 445, 577, 814, 890, 979, 1154, 1958, 2035, 2885, 3293, 4070, 4895, 5770, 6347, 6586, 9790, 12694, 16465, 21349, 31735, 32930, 36223, 42698, 51353, 63470, 72446, 102706, 106745, 181115, 213490, 234839, 256765, 362230, 469678, 513530, 564883, 1129766, 1174195, 1900061, 2348390, 2824415, 3800122, 5648830, 9500305, 19000610, 20900671, 41801342, 104503355, 209006710]

約数ペア:

[(1, 209006710), (2, 104503355), (5, 41801342), (10, 20900671), (11, 19000610), (22, 9500305), (37, 5648830), (55, 3800122), (74, 2824415), (89, 2348390), (110, 1900061), (178, 1174195), (185, 1129766), (370, 564883), (407, 513530), (445, 469678), (577, 362230), (814, 256765), (890, 234839), (979, 213490), (1154, 181115), (1958, 106745), (2035, 102706), (2885, 72446), (3293, 63470), (4070, 51353), (4895, 42698), (5770, 36223), (6347, 32930), (6586, 31735), (9790, 21349), (12694, 16465)]