309892700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1877}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 730286592

約数和(自身を除く): 420393892

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1270, 1300, 1651, 1877, 2540, 3175, 3302, 3754, 6350, 6604, 7508, 8255, 9385, 12700, 16510, 18770, 24401, 33020, 37540, 41275, 46925, 48802, 82550, 93850, 97604, 122005, 165100, 187700, 238379, 244010, 476758, 488020, 610025, 953516, 1191895, 1220050, 2383790, 2440100, 3098927, 4767580, 5959475, 6197854, 11918950, 12395708, 15494635, 23837900, 30989270, 61978540, 77473175, 154946350, 309892700]

約数ペア:

[(1, 309892700), (2, 154946350), (4, 77473175), (5, 61978540), (10, 30989270), (13, 23837900), (20, 15494635), (25, 12395708), (26, 11918950), (50, 6197854), (52, 5959475), (65, 4767580), (100, 3098927), (127, 2440100), (130, 2383790), (254, 1220050), (260, 1191895), (325, 953516), (508, 610025), (635, 488020), (650, 476758), (1270, 244010), (1300, 238379), (1651, 187700), (1877, 165100), (2540, 122005), (3175, 97604), (3302, 93850), (3754, 82550), (6350, 48802), (6604, 46925), (7508, 41275), (8255, 37540), (9385, 33020), (12700, 24401), (16510, 18770)]