84208760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 200880000

約数和(自身を除く): 116671240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 358, 380, 619, 716, 760, 895, 1238, 1432, 1790, 2476, 3095, 3401, 3580, 4952, 6190, 6802, 7160, 11761, 12380, 13604, 17005, 23522, 24760, 27208, 34010, 47044, 58805, 68020, 94088, 110801, 117610, 136040, 221602, 235220, 443204, 470440, 554005, 886408, 1108010, 2105219, 2216020, 4210438, 4432040, 8420876, 10526095, 16841752, 21052190, 42104380, 84208760]

約数ペア:

[(1, 84208760), (2, 42104380), (4, 21052190), (5, 16841752), (8, 10526095), (10, 8420876), (19, 4432040), (20, 4210438), (38, 2216020), (40, 2105219), (76, 1108010), (95, 886408), (152, 554005), (179, 470440), (190, 443204), (358, 235220), (380, 221602), (619, 136040), (716, 117610), (760, 110801), (895, 94088), (1238, 68020), (1432, 58805), (1790, 47044), (2476, 34010), (3095, 27208), (3401, 24760), (3580, 23522), (4952, 17005), (6190, 13604), (6802, 12380), (7160, 11761)]