28305830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 60304176

約数和(自身を除く): 31998346

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 947, 1894, 2135, 2989, 4270, 4735, 5978, 6629, 9470, 13258, 14945, 29890, 33145, 46403, 57767, 66290, 92806, 115534, 232015, 288835, 404369, 464030, 577670, 808738, 2021845, 2830583, 4043690, 5661166, 14152915, 28305830]

約数ペア:

[(1, 28305830), (2, 14152915), (5, 5661166), (7, 4043690), (10, 2830583), (14, 2021845), (35, 808738), (49, 577670), (61, 464030), (70, 404369), (98, 288835), (122, 232015), (245, 115534), (305, 92806), (427, 66290), (490, 57767), (610, 46403), (854, 33145), (947, 29890), (1894, 14945), (2135, 13258), (2989, 9470), (4270, 6629), (4735, 5978)]