764488940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{18457}}^1$

素因数の和:18594

約数の個数: 48

約数和(自身を含む): 1705519200

約数和(自身を除く): 941030260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 18457, 20710, 36914, 41420, 73828, 92285, 184570, 350683, 369140, 701366, 1402732, 1753415, 2011813, 3506830, 4023626, 7013660, 8047252, 10059065, 20118130, 38224447, 40236260, 76448894, 152897788, 191122235, 382244470, 764488940]

約数ペア:

[(1, 764488940), (2, 382244470), (4, 191122235), (5, 152897788), (10, 76448894), (19, 40236260), (20, 38224447), (38, 20118130), (76, 10059065), (95, 8047252), (109, 7013660), (190, 4023626), (218, 3506830), (380, 2011813), (436, 1753415), (545, 1402732), (1090, 701366), (2071, 369140), (2180, 350683), (4142, 184570), (8284, 92285), (10355, 73828), (18457, 41420), (20710, 36914)]