492078320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{56431}}^1$

素因数の和:56553

約数の個数: 40

約数和(自身を含む): 1154598720

約数和(自身を除く): 662520400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 56431, 112862, 225724, 282155, 451448, 564310, 902896, 1128620, 2257240, 4514480, 6150979, 12301958, 24603916, 30754895, 49207832, 61509790, 98415664, 123019580, 246039160, 492078320]

約数ペア:

[(1, 492078320), (2, 246039160), (4, 123019580), (5, 98415664), (8, 61509790), (10, 49207832), (16, 30754895), (20, 24603916), (40, 12301958), (80, 6150979), (109, 4514480), (218, 2257240), (436, 1128620), (545, 902896), (872, 564310), (1090, 451448), (1744, 282155), (2180, 225724), (4360, 112862), (8720, 56431)]