74989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2628

約数の個数: 64

約数和(自身を含む): 194711040

約数和(自身を除く): 119721160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2503, 2996, 3745, 4280, 5006, 5992, 7490, 10012, 12515, 14980, 17521, 20024, 25030, 29960, 35042, 50060, 70084, 87605, 100120, 140168, 175210, 267821, 350420, 535642, 700840, 1071284, 1339105, 1874747, 2142568, 2678210, 3749494, 5356420, 7498988, 9373735, 10712840, 14997976, 18747470, 37494940, 74989880]

約数ペア:

[(1, 74989880), (2, 37494940), (4, 18747470), (5, 14997976), (7, 10712840), (8, 9373735), (10, 7498988), (14, 5356420), (20, 3749494), (28, 2678210), (35, 2142568), (40, 1874747), (56, 1339105), (70, 1071284), (107, 700840), (140, 535642), (214, 350420), (280, 267821), (428, 175210), (535, 140168), (749, 100120), (856, 87605), (1070, 70084), (1498, 50060), (2140, 35042), (2503, 29960), (2996, 25030), (3745, 20024), (4280, 17521), (5006, 14980), (5992, 12515), (7490, 10012)]