724748225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 961652736

約数和(自身を除く): 236904511

約数列:

[1, 5, 25, 31, 47, 101, 155, 197, 235, 505, 775, 985, 1175, 1457, 2525, 3131, 4747, 4925, 6107, 7285, 9259, 15655, 19897, 23735, 30535, 36425, 46295, 78275, 99485, 118675, 147157, 152675, 231475, 287029, 497425, 616807, 735785, 935159, 1435145, 3084035, 3678925, 4675795, 7175725, 15420175, 23378975, 28989929, 144949645, 724748225]

約数ペア:

[(1, 724748225), (5, 144949645), (25, 28989929), (31, 23378975), (47, 15420175), (101, 7175725), (155, 4675795), (197, 3678925), (235, 3084035), (505, 1435145), (775, 935159), (985, 735785), (1175, 616807), (1457, 497425), (2525, 287029), (3131, 231475), (4747, 152675), (4925, 147157), (6107, 118675), (7285, 99485), (9259, 78275), (15655, 46295), (19897, 36425), (23735, 30535)]