7136826820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{145709}}^1$

素因数の和:145828

約数の個数: 48

約数和(自身を含む): 15666739200

約数和(自身を除く): 8529912380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 48980, 145709, 291418, 582836, 728545, 1457090, 2914180, 4516979, 9033958, 11511011, 18067916, 22584895, 23022022, 45169790, 46044044, 57555055, 90339580, 115110110, 230220220, 356841341, 713682682, 1427365364, 1784206705, 3568413410, 7136826820]

約数ペア:

[(1, 7136826820), (2, 3568413410), (4, 1784206705), (5, 1427365364), (10, 713682682), (20, 356841341), (31, 230220220), (62, 115110110), (79, 90339580), (124, 57555055), (155, 46044044), (158, 45169790), (310, 23022022), (316, 22584895), (395, 18067916), (620, 11511011), (790, 9033958), (1580, 4516979), (2449, 2914180), (4898, 1457090), (9796, 728545), (12245, 582836), (24490, 291418), (48980, 145709)]