28178910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13649

約数の個数: 48

約数和(自身を含む): 76456224

約数和(自身を除く): 48277314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 13613, 27226, 40839, 68065, 81678, 122517, 136130, 204195, 245034, 313099, 408390, 612585, 626198, 939297, 1225170, 1565495, 1878594, 2817891, 3130990, 4696485, 5635782, 9392970, 14089455, 28178910]

約数ペア:

[(1, 28178910), (2, 14089455), (3, 9392970), (5, 5635782), (6, 4696485), (9, 3130990), (10, 2817891), (15, 1878594), (18, 1565495), (23, 1225170), (30, 939297), (45, 626198), (46, 612585), (69, 408390), (90, 313099), (115, 245034), (138, 204195), (207, 136130), (230, 122517), (345, 81678), (414, 68065), (690, 40839), (1035, 27226), (2070, 13613)]