254374670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{4889}}^1$

素因数の和:4961

約数の個数: 48

約数和(自身を含む): 515093040

約数和(自身を除く): 260718370

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 2365, 4730, 4889, 5203, 9778, 10406, 24445, 26015, 48890, 52030, 53779, 107558, 210227, 268895, 420454, 537790, 591569, 1051135, 1183138, 2102270, 2312497, 2957845, 4624994, 5915690, 11562485, 23124970, 25437467, 50874934, 127187335, 254374670]

約数ペア:

[(1, 254374670), (2, 127187335), (5, 50874934), (10, 25437467), (11, 23124970), (22, 11562485), (43, 5915690), (55, 4624994), (86, 2957845), (110, 2312497), (121, 2102270), (215, 1183138), (242, 1051135), (430, 591569), (473, 537790), (605, 420454), (946, 268895), (1210, 210227), (2365, 107558), (4730, 53779), (4889, 52030), (5203, 48890), (9778, 26015), (10406, 24445)]