340690868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 705868800

約数和(自身を除く): 365177932

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 389, 434, 778, 868, 1009, 1556, 2018, 2723, 4036, 5446, 7063, 10892, 12059, 14126, 24118, 28252, 31279, 48236, 62558, 84413, 125116, 168826, 218953, 337652, 392501, 437906, 785002, 875812, 1570004, 2747507, 5495014, 10990028, 12167531, 24335062, 48670124, 85172717, 170345434, 340690868]

約数ペア:

[(1, 340690868), (2, 170345434), (4, 85172717), (7, 48670124), (14, 24335062), (28, 12167531), (31, 10990028), (62, 5495014), (124, 2747507), (217, 1570004), (389, 875812), (434, 785002), (778, 437906), (868, 392501), (1009, 337652), (1556, 218953), (2018, 168826), (2723, 125116), (4036, 84413), (5446, 62558), (7063, 48236), (10892, 31279), (12059, 28252), (14126, 24118)]