389675275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 607461120

約数和(自身を除く): 217785845

約数列:

[1, 5, 11, 17, 19, 25, 41, 55, 85, 95, 107, 187, 205, 209, 275, 323, 425, 451, 475, 535, 697, 779, 935, 1025, 1045, 1177, 1615, 1819, 2033, 2255, 2675, 3485, 3553, 3895, 4387, 4675, 5225, 5885, 7667, 8075, 8569, 9095, 10165, 11275, 13243, 17425, 17765, 19475, 20009, 21935, 22363, 29425, 34561, 38335, 42845, 45475, 48257, 50825, 66215, 74579, 83353, 88825, 100045, 109675, 111815, 145673, 172805, 191675, 214225, 241285, 331075, 372895, 380171, 416765, 500225, 559075, 728365, 820369, 864025, 916883, 1206425, 1417001, 1864475, 1900855, 2083825, 3641825, 4101845, 4584415, 7085005, 9504275, 15587011, 20509225, 22922075, 35425025, 77935055, 389675275]

約数ペア:

[(1, 389675275), (5, 77935055), (11, 35425025), (17, 22922075), (19, 20509225), (25, 15587011), (41, 9504275), (55, 7085005), (85, 4584415), (95, 4101845), (107, 3641825), (187, 2083825), (205, 1900855), (209, 1864475), (275, 1417001), (323, 1206425), (425, 916883), (451, 864025), (475, 820369), (535, 728365), (697, 559075), (779, 500225), (935, 416765), (1025, 380171), (1045, 372895), (1177, 331075), (1615, 241285), (1819, 214225), (2033, 191675), (2255, 172805), (2675, 145673), (3485, 111815), (3553, 109675), (3895, 100045), (4387, 88825), (4675, 83353), (5225, 74579), (5885, 66215), (7667, 50825), (8075, 48257), (8569, 45475), (9095, 42845), (10165, 38335), (11275, 34561), (13243, 29425), (17425, 22363), (17765, 21935), (19475, 20009)]