204150320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2053}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 522636192

約数和(自身を除く): 318485872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 880, 904, 1130, 1243, 1808, 2053, 2260, 2486, 4106, 4520, 4972, 6215, 8212, 9040, 9944, 10265, 12430, 16424, 19888, 20530, 22583, 24860, 32848, 41060, 45166, 49720, 82120, 90332, 99440, 112915, 164240, 180664, 225830, 231989, 361328, 451660, 463978, 903320, 927956, 1159945, 1806640, 1855912, 2319890, 2551879, 3711824, 4639780, 5103758, 9279560, 10207516, 12759395, 18559120, 20415032, 25518790, 40830064, 51037580, 102075160, 204150320]

約数ペア:

[(1, 204150320), (2, 102075160), (4, 51037580), (5, 40830064), (8, 25518790), (10, 20415032), (11, 18559120), (16, 12759395), (20, 10207516), (22, 9279560), (40, 5103758), (44, 4639780), (55, 3711824), (80, 2551879), (88, 2319890), (110, 1855912), (113, 1806640), (176, 1159945), (220, 927956), (226, 903320), (440, 463978), (452, 451660), (565, 361328), (880, 231989), (904, 225830), (1130, 180664), (1243, 164240), (1808, 112915), (2053, 99440), (2260, 90332), (2486, 82120), (4106, 49720), (4520, 45166), (4972, 41060), (6215, 32848), (8212, 24860), (9040, 22583), (9944, 20530), (10265, 19888), (12430, 16424)]