388020375

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2063

約数の個数: 80

約数和(自身を含む): 761835360

約数和(自身を除く): 373814985

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 171, 225, 285, 375, 405, 475, 513, 675, 855, 1125, 1425, 1539, 2017, 2025, 2375, 2565, 3375, 4275, 6051, 7125, 7695, 10085, 10125, 12825, 18153, 21375, 30255, 38323, 38475, 50425, 54459, 64125, 90765, 114969, 151275, 163377, 191615, 192375, 252125, 272295, 344907, 453825, 574845, 756375, 816885, 958075, 1034721, 1361475, 1724535, 2269125, 2874225, 3104163, 4084425, 4790375, 5173605, 6807375, 8622675, 14371125, 15520815, 20422125, 25868025, 43113375, 77604075, 129340125, 388020375]

約数ペア:

[(1, 388020375), (3, 129340125), (5, 77604075), (9, 43113375), (15, 25868025), (19, 20422125), (25, 15520815), (27, 14371125), (45, 8622675), (57, 6807375), (75, 5173605), (81, 4790375), (95, 4084425), (125, 3104163), (135, 2874225), (171, 2269125), (225, 1724535), (285, 1361475), (375, 1034721), (405, 958075), (475, 816885), (513, 756375), (675, 574845), (855, 453825), (1125, 344907), (1425, 272295), (1539, 252125), (2017, 192375), (2025, 191615), (2375, 163377), (2565, 151275), (3375, 114969), (4275, 90765), (6051, 64125), (7125, 54459), (7695, 50425), (10085, 38475), (10125, 38323), (12825, 30255), (18153, 21375)]