390192080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 934721424

約数和(自身を除く): 544529344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 337, 353, 410, 656, 674, 706, 820, 1348, 1412, 1640, 1685, 1765, 2696, 2824, 3280, 3370, 3530, 5392, 5648, 6740, 7060, 13480, 13817, 14120, 14473, 26960, 27634, 28240, 28946, 55268, 57892, 69085, 72365, 110536, 115784, 118961, 138170, 144730, 221072, 231568, 237922, 276340, 289460, 475844, 552680, 578920, 594805, 951688, 1105360, 1157840, 1189610, 1903376, 2379220, 4758440, 4877401, 9516880, 9754802, 19509604, 24387005, 39019208, 48774010, 78038416, 97548020, 195096040, 390192080]

約数ペア:

[(1, 390192080), (2, 195096040), (4, 97548020), (5, 78038416), (8, 48774010), (10, 39019208), (16, 24387005), (20, 19509604), (40, 9754802), (41, 9516880), (80, 4877401), (82, 4758440), (164, 2379220), (205, 1903376), (328, 1189610), (337, 1157840), (353, 1105360), (410, 951688), (656, 594805), (674, 578920), (706, 552680), (820, 475844), (1348, 289460), (1412, 276340), (1640, 237922), (1685, 231568), (1765, 221072), (2696, 144730), (2824, 138170), (3280, 118961), (3370, 115784), (3530, 110536), (5392, 72365), (5648, 69085), (6740, 57892), (7060, 55268), (13480, 28946), (13817, 28240), (14120, 27634), (14473, 26960)]