4072840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 10108800

約数和(自身を除く): 6035960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 233, 380, 437, 460, 466, 760, 874, 920, 932, 1165, 1748, 1864, 2185, 2330, 3496, 4370, 4427, 4660, 5359, 8740, 8854, 9320, 10718, 17480, 17708, 21436, 22135, 26795, 35416, 42872, 44270, 53590, 88540, 101821, 107180, 177080, 203642, 214360, 407284, 509105, 814568, 1018210, 2036420, 4072840]

約数ペア:

[(1, 4072840), (2, 2036420), (4, 1018210), (5, 814568), (8, 509105), (10, 407284), (19, 214360), (20, 203642), (23, 177080), (38, 107180), (40, 101821), (46, 88540), (76, 53590), (92, 44270), (95, 42872), (115, 35416), (152, 26795), (184, 22135), (190, 21436), (230, 17708), (233, 17480), (380, 10718), (437, 9320), (460, 8854), (466, 8740), (760, 5359), (874, 4660), (920, 4427), (932, 4370), (1165, 3496), (1748, 2330), (1864, 2185)]