195212840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{647}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 464227200

約数和(自身を除く): 269014360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 397, 647, 760, 794, 1294, 1588, 1985, 2588, 3176, 3235, 3970, 5176, 6470, 7543, 7940, 12293, 12940, 15086, 15880, 24586, 25880, 30172, 37715, 49172, 60344, 61465, 75430, 98344, 122930, 150860, 245860, 256859, 301720, 491720, 513718, 1027436, 1284295, 2054872, 2568590, 4880321, 5137180, 9760642, 10274360, 19521284, 24401605, 39042568, 48803210, 97606420, 195212840]

約数ペア:

[(1, 195212840), (2, 97606420), (4, 48803210), (5, 39042568), (8, 24401605), (10, 19521284), (19, 10274360), (20, 9760642), (38, 5137180), (40, 4880321), (76, 2568590), (95, 2054872), (152, 1284295), (190, 1027436), (380, 513718), (397, 491720), (647, 301720), (760, 256859), (794, 245860), (1294, 150860), (1588, 122930), (1985, 98344), (2588, 75430), (3176, 61465), (3235, 60344), (3970, 49172), (5176, 37715), (6470, 30172), (7543, 25880), (7940, 24586), (12293, 15880), (12940, 15086)]