66430280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33893}}^1$

素因数の和:33918

約数の個数: 48

約数和(自身を含む): 173876220

約数和(自身を除く): 107445940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33893, 67786, 135572, 169465, 237251, 271144, 338930, 474502, 677860, 949004, 1186255, 1355720, 1660757, 1898008, 2372510, 3321514, 4745020, 6643028, 8303785, 9490040, 13286056, 16607570, 33215140, 66430280]

約数ペア:

[(1, 66430280), (2, 33215140), (4, 16607570), (5, 13286056), (7, 9490040), (8, 8303785), (10, 6643028), (14, 4745020), (20, 3321514), (28, 2372510), (35, 1898008), (40, 1660757), (49, 1355720), (56, 1186255), (70, 949004), (98, 677860), (140, 474502), (196, 338930), (245, 271144), (280, 237251), (392, 169465), (490, 135572), (980, 67786), (1960, 33893)]