168998980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 386104320

約数和(自身を除く): 217105340

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 53, 62, 74, 106, 124, 139, 148, 155, 185, 212, 265, 278, 310, 370, 530, 556, 620, 695, 740, 1060, 1147, 1390, 1643, 1961, 2294, 2780, 3286, 3922, 4309, 4588, 5143, 5735, 6572, 7367, 7844, 8215, 8618, 9805, 10286, 11470, 14734, 16430, 17236, 19610, 20572, 21545, 22940, 25715, 29468, 32860, 36835, 39220, 43090, 51430, 60791, 73670, 86180, 102860, 121582, 147340, 159433, 228377, 243164, 272579, 303955, 318866, 456754, 545158, 607910, 637732, 797165, 913508, 1090316, 1141885, 1215820, 1362895, 1594330, 2283770, 2725790, 3188660, 4567540, 5451580, 8449949, 16899898, 33799796, 42249745, 84499490, 168998980]

約数ペア:

[(1, 168998980), (2, 84499490), (4, 42249745), (5, 33799796), (10, 16899898), (20, 8449949), (31, 5451580), (37, 4567540), (53, 3188660), (62, 2725790), (74, 2283770), (106, 1594330), (124, 1362895), (139, 1215820), (148, 1141885), (155, 1090316), (185, 913508), (212, 797165), (265, 637732), (278, 607910), (310, 545158), (370, 456754), (530, 318866), (556, 303955), (620, 272579), (695, 243164), (740, 228377), (1060, 159433), (1147, 147340), (1390, 121582), (1643, 102860), (1961, 86180), (2294, 73670), (2780, 60791), (3286, 51430), (3922, 43090), (4309, 39220), (4588, 36835), (5143, 32860), (5735, 29468), (6572, 25715), (7367, 22940), (7844, 21545), (8215, 20572), (8618, 19610), (9805, 17236), (10286, 16430), (11470, 14734)]