398424850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{599}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 759326400

約数和(自身を除く): 360901550

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 251, 265, 502, 530, 599, 1198, 1255, 1325, 2510, 2650, 2995, 5990, 6275, 12550, 13303, 14975, 26606, 29950, 31747, 63494, 66515, 133030, 150349, 158735, 300698, 317470, 332575, 665150, 751745, 793675, 1503490, 1587350, 3758725, 7517450, 7968497, 15936994, 39842485, 79684970, 199212425, 398424850]

約数ペア:

[(1, 398424850), (2, 199212425), (5, 79684970), (10, 39842485), (25, 15936994), (50, 7968497), (53, 7517450), (106, 3758725), (251, 1587350), (265, 1503490), (502, 793675), (530, 751745), (599, 665150), (1198, 332575), (1255, 317470), (1325, 300698), (2510, 158735), (2650, 150349), (2995, 133030), (5990, 66515), (6275, 63494), (12550, 31747), (13303, 29950), (14975, 26606)]