221488225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2297}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 341942400

約数和(自身を除く): 120454175

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 203, 475, 551, 665, 725, 1015, 2297, 2755, 3325, 3857, 5075, 11485, 13775, 16079, 19285, 43643, 57425, 66613, 80395, 96425, 218215, 305501, 333065, 401975, 466291, 1091075, 1265647, 1527505, 1665325, 2331455, 6328235, 7637525, 8859529, 11657275, 31641175, 44297645, 221488225]

約数ペア:

[(1, 221488225), (5, 44297645), (7, 31641175), (19, 11657275), (25, 8859529), (29, 7637525), (35, 6328235), (95, 2331455), (133, 1665325), (145, 1527505), (175, 1265647), (203, 1091075), (475, 466291), (551, 401975), (665, 333065), (725, 305501), (1015, 218215), (2297, 96425), (2755, 80395), (3325, 66613), (3857, 57425), (5075, 43643), (11485, 19285), (13775, 16079)]