1996225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 3321216

約数和(自身を除く): 1324991

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 61, 77, 85, 119, 175, 187, 275, 305, 385, 425, 427, 595, 671, 935, 1037, 1309, 1525, 1925, 2135, 2975, 3355, 4675, 4697, 5185, 6545, 7259, 10675, 11407, 16775, 23485, 25925, 32725, 36295, 57035, 79849, 117425, 181475, 285175, 399245, 1996225]

約数ペア:

[(1, 1996225), (5, 399245), (7, 285175), (11, 181475), (17, 117425), (25, 79849), (35, 57035), (55, 36295), (61, 32725), (77, 25925), (85, 23485), (119, 16775), (175, 11407), (187, 10675), (275, 7259), (305, 6545), (385, 5185), (425, 4697), (427, 4675), (595, 3355), (671, 2975), (935, 2135), (1037, 1925), (1309, 1525)]