421840660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8741}}^1$

素因数の和:8896

約数の個数: 48

約数和(自身を含む): 939939840

約数和(自身を除く): 518099180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 1270, 2413, 2540, 4826, 8741, 9652, 12065, 17482, 24130, 34964, 43705, 48260, 87410, 166079, 174820, 332158, 664316, 830395, 1110107, 1660790, 2220214, 3321580, 4440428, 5550535, 11101070, 21092033, 22202140, 42184066, 84368132, 105460165, 210920330, 421840660]

約数ペア:

[(1, 421840660), (2, 210920330), (4, 105460165), (5, 84368132), (10, 42184066), (19, 22202140), (20, 21092033), (38, 11101070), (76, 5550535), (95, 4440428), (127, 3321580), (190, 2220214), (254, 1660790), (380, 1110107), (508, 830395), (635, 664316), (1270, 332158), (2413, 174820), (2540, 166079), (4826, 87410), (8741, 48260), (9652, 43705), (12065, 34964), (17482, 24130)]