38778190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 81881280

約数和(自身を除く): 43103090

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 170, 178, 187, 233, 374, 445, 466, 890, 935, 979, 1165, 1513, 1870, 1958, 2330, 2563, 3026, 3961, 4895, 5126, 7565, 7922, 9790, 12815, 15130, 16643, 19805, 20737, 25630, 33286, 39610, 41474, 43571, 83215, 87142, 103685, 166430, 207370, 217855, 228107, 352529, 435710, 456214, 705058, 1140535, 1762645, 2281070, 3525290, 3877819, 7755638, 19389095, 38778190]

約数ペア:

[(1, 38778190), (2, 19389095), (5, 7755638), (10, 3877819), (11, 3525290), (17, 2281070), (22, 1762645), (34, 1140535), (55, 705058), (85, 456214), (89, 435710), (110, 352529), (170, 228107), (178, 217855), (187, 207370), (233, 166430), (374, 103685), (445, 87142), (466, 83215), (890, 43571), (935, 41474), (979, 39610), (1165, 33286), (1513, 25630), (1870, 20737), (1958, 19805), (2330, 16643), (2563, 15130), (3026, 12815), (3961, 9790), (4895, 7922), (5126, 7565)]