7440475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 11624256

約数和(自身を除く): 4183781

約数列:

[1, 5, 7, 17, 25, 35, 41, 61, 85, 119, 175, 205, 287, 305, 425, 427, 595, 697, 1025, 1037, 1435, 1525, 2135, 2501, 2975, 3485, 4879, 5185, 7175, 7259, 10675, 12505, 17425, 17507, 24395, 25925, 36295, 42517, 62525, 87535, 121975, 181475, 212585, 297619, 437675, 1062925, 1488095, 7440475]

約数ペア:

[(1, 7440475), (5, 1488095), (7, 1062925), (17, 437675), (25, 297619), (35, 212585), (41, 181475), (61, 121975), (85, 87535), (119, 62525), (175, 42517), (205, 36295), (287, 25925), (305, 24395), (425, 17507), (427, 17425), (595, 12505), (697, 10675), (1025, 7259), (1037, 7175), (1435, 5185), (1525, 4879), (2135, 3485), (2501, 2975)]