27712210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 54464256

約数和(自身を除く): 26752046

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 223, 289, 430, 446, 578, 731, 1115, 1445, 1462, 2230, 2890, 3655, 3791, 7310, 7582, 9589, 12427, 18955, 19178, 24854, 37910, 47945, 62135, 64447, 95890, 124270, 128894, 163013, 322235, 326026, 644470, 815065, 1630130, 2771221, 5542442, 13856105, 27712210]

約数ペア:

[(1, 27712210), (2, 13856105), (5, 5542442), (10, 2771221), (17, 1630130), (34, 815065), (43, 644470), (85, 326026), (86, 322235), (170, 163013), (215, 128894), (223, 124270), (289, 95890), (430, 64447), (446, 62135), (578, 47945), (731, 37910), (1115, 24854), (1445, 19178), (1462, 18955), (2230, 12427), (2890, 9589), (3655, 7582), (3791, 7310)]