421177840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{228901}}^1$

素因数の和:228937

約数の個数: 40

約数和(自身を含む): 1021818528

約数和(自身を除く): 600640688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 228901, 457802, 915604, 1144505, 1831208, 2289010, 3662416, 4578020, 5264723, 9156040, 10529446, 18312080, 21058892, 26323615, 42117784, 52647230, 84235568, 105294460, 210588920, 421177840]

約数ペア:

[(1, 421177840), (2, 210588920), (4, 105294460), (5, 84235568), (8, 52647230), (10, 42117784), (16, 26323615), (20, 21058892), (23, 18312080), (40, 10529446), (46, 9156040), (80, 5264723), (92, 4578020), (115, 3662416), (184, 2289010), (230, 1831208), (368, 1144505), (460, 915604), (920, 457802), (1840, 228901)]