1804240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 4419360

約数和(自身を除く): 2615120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1187, 1520, 2374, 4748, 5935, 9496, 11870, 18992, 22553, 23740, 45106, 47480, 90212, 94960, 112765, 180424, 225530, 360848, 451060, 902120, 1804240]

約数ペア:

[(1, 1804240), (2, 902120), (4, 451060), (5, 360848), (8, 225530), (10, 180424), (16, 112765), (19, 94960), (20, 90212), (38, 47480), (40, 45106), (76, 23740), (80, 22553), (95, 18992), (152, 11870), (190, 9496), (304, 5935), (380, 4748), (760, 2374), (1187, 1520)]