65798140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 146160000

約数和(自身を除く): 80361860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 347, 380, 499, 694, 998, 1388, 1735, 1996, 2495, 3470, 4990, 6593, 6940, 9481, 9980, 13186, 18962, 26372, 32965, 37924, 47405, 65930, 94810, 131860, 173153, 189620, 346306, 692612, 865765, 1731530, 3289907, 3463060, 6579814, 13159628, 16449535, 32899070, 65798140]

約数ペア:

[(1, 65798140), (2, 32899070), (4, 16449535), (5, 13159628), (10, 6579814), (19, 3463060), (20, 3289907), (38, 1731530), (76, 865765), (95, 692612), (190, 346306), (347, 189620), (380, 173153), (499, 131860), (694, 94810), (998, 65930), (1388, 47405), (1735, 37924), (1996, 32965), (2495, 26372), (3470, 18962), (4990, 13186), (6593, 9980), (6940, 9481)]