74031980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 181440000

約数和(自身を除く): 107408020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 178, 190, 199, 209, 220, 356, 380, 398, 418, 445, 796, 836, 890, 979, 995, 1045, 1691, 1780, 1958, 1990, 2090, 2189, 3382, 3781, 3916, 3980, 4180, 4378, 4895, 6764, 7562, 8455, 8756, 9790, 10945, 15124, 16910, 17711, 18601, 18905, 19580, 21890, 33820, 35422, 37202, 37810, 41591, 43780, 70844, 74404, 75620, 83182, 88555, 93005, 166364, 177110, 186010, 194821, 207955, 336509, 354220, 372020, 389642, 415910, 673018, 779284, 831820, 974105, 1346036, 1682545, 1948210, 3365090, 3701599, 3896420, 6730180, 7403198, 14806396, 18507995, 37015990, 74031980]

約数ペア:

[(1, 74031980), (2, 37015990), (4, 18507995), (5, 14806396), (10, 7403198), (11, 6730180), (19, 3896420), (20, 3701599), (22, 3365090), (38, 1948210), (44, 1682545), (55, 1346036), (76, 974105), (89, 831820), (95, 779284), (110, 673018), (178, 415910), (190, 389642), (199, 372020), (209, 354220), (220, 336509), (356, 207955), (380, 194821), (398, 186010), (418, 177110), (445, 166364), (796, 93005), (836, 88555), (890, 83182), (979, 75620), (995, 74404), (1045, 70844), (1691, 43780), (1780, 41591), (1958, 37810), (1990, 37202), (2090, 35422), (2189, 33820), (3382, 21890), (3781, 19580), (3916, 18905), (3980, 18601), (4180, 17711), (4378, 16910), (4895, 15124), (6764, 10945), (7562, 9790), (8455, 8756)]