77378525

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 115468800

約数和(自身を除く): 38090275

約数列:

[1, 5, 7, 25, 29, 35, 79, 145, 175, 193, 203, 395, 553, 725, 965, 1015, 1351, 1975, 2291, 2765, 4825, 5075, 5597, 6755, 11455, 13825, 15247, 16037, 27985, 33775, 39179, 57275, 76235, 80185, 106729, 139925, 195895, 381175, 400925, 442163, 533645, 979475, 2210815, 2668225, 3095141, 11054075, 15475705, 77378525]

約数ペア:

[(1, 77378525), (5, 15475705), (7, 11054075), (25, 3095141), (29, 2668225), (35, 2210815), (79, 979475), (145, 533645), (175, 442163), (193, 400925), (203, 381175), (395, 195895), (553, 139925), (725, 106729), (965, 80185), (1015, 76235), (1351, 57275), (1975, 39179), (2291, 33775), (2765, 27985), (4825, 16037), (5075, 15247), (5597, 13825), (6755, 11455)]