74447890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 81072110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 179, 190, 199, 209, 358, 398, 418, 895, 995, 1045, 1790, 1969, 1990, 2090, 2189, 3401, 3781, 3938, 4378, 6802, 7562, 9845, 10945, 17005, 18905, 19690, 21890, 34010, 35621, 37411, 37810, 41591, 71242, 74822, 83182, 178105, 187055, 207955, 356210, 374110, 391831, 415910, 676799, 783662, 1353598, 1959155, 3383995, 3918310, 6767990, 7444789, 14889578, 37223945, 74447890]

約数ペア:

[(1, 74447890), (2, 37223945), (5, 14889578), (10, 7444789), (11, 6767990), (19, 3918310), (22, 3383995), (38, 1959155), (55, 1353598), (95, 783662), (110, 676799), (179, 415910), (190, 391831), (199, 374110), (209, 356210), (358, 207955), (398, 187055), (418, 178105), (895, 83182), (995, 74822), (1045, 71242), (1790, 41591), (1969, 37810), (1990, 37411), (2090, 35621), (2189, 34010), (3401, 21890), (3781, 19690), (3938, 18905), (4378, 17005), (6802, 10945), (7562, 9845)]