28411180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 70843248

約数和(自身を除く): 42432068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 547, 742, 980, 1060, 1094, 1484, 1855, 2188, 2597, 2735, 3710, 3829, 5194, 5470, 7420, 7658, 10388, 10940, 12985, 15316, 19145, 25970, 26803, 28991, 38290, 51940, 53606, 57982, 76580, 107212, 115964, 134015, 144955, 202937, 268030, 289910, 405874, 536060, 579820, 811748, 1014685, 1420559, 2029370, 2841118, 4058740, 5682236, 7102795, 14205590, 28411180]

約数ペア:

[(1, 28411180), (2, 14205590), (4, 7102795), (5, 5682236), (7, 4058740), (10, 2841118), (14, 2029370), (20, 1420559), (28, 1014685), (35, 811748), (49, 579820), (53, 536060), (70, 405874), (98, 289910), (106, 268030), (140, 202937), (196, 144955), (212, 134015), (245, 115964), (265, 107212), (371, 76580), (490, 57982), (530, 53606), (547, 51940), (742, 38290), (980, 28991), (1060, 26803), (1094, 25970), (1484, 19145), (1855, 15316), (2188, 12985), (2597, 10940), (2735, 10388), (3710, 7658), (3829, 7420), (5194, 5470)]