176987140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 423916416

約数和(自身を除く): 246929276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 53, 55, 86, 106, 110, 172, 212, 215, 220, 265, 353, 430, 473, 530, 583, 706, 860, 946, 1060, 1166, 1412, 1765, 1892, 2279, 2332, 2365, 2915, 3530, 3883, 4558, 4730, 5830, 7060, 7766, 9116, 9460, 11395, 11660, 15179, 15532, 18709, 19415, 22790, 25069, 30358, 37418, 38830, 45580, 50138, 60716, 74836, 75895, 77660, 93545, 100276, 125345, 151790, 166969, 187090, 205799, 250690, 303580, 333938, 374180, 411598, 501380, 667876, 804487, 823196, 834845, 1028995, 1608974, 1669690, 2057990, 3217948, 3339380, 4022435, 4115980, 8044870, 8849357, 16089740, 17698714, 35397428, 44246785, 88493570, 176987140]

約数ペア:

[(1, 176987140), (2, 88493570), (4, 44246785), (5, 35397428), (10, 17698714), (11, 16089740), (20, 8849357), (22, 8044870), (43, 4115980), (44, 4022435), (53, 3339380), (55, 3217948), (86, 2057990), (106, 1669690), (110, 1608974), (172, 1028995), (212, 834845), (215, 823196), (220, 804487), (265, 667876), (353, 501380), (430, 411598), (473, 374180), (530, 333938), (583, 303580), (706, 250690), (860, 205799), (946, 187090), (1060, 166969), (1166, 151790), (1412, 125345), (1765, 100276), (1892, 93545), (2279, 77660), (2332, 75895), (2365, 74836), (2915, 60716), (3530, 50138), (3883, 45580), (4558, 38830), (4730, 37418), (5830, 30358), (7060, 25069), (7766, 22790), (9116, 19415), (9460, 18709), (11395, 15532), (11660, 15179)]