8049586475

素因数分解:

$5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 11837599488

約数和(自身を除く): 3788013013

約数列:

[1, 5, 7, 25, 35, 49, 103, 131, 175, 245, 487, 515, 655, 721, 917, 1225, 2435, 2575, 3275, 3409, 3605, 4585, 5047, 6419, 12175, 13493, 17045, 18025, 22925, 23863, 25235, 32095, 50161, 63797, 67465, 85225, 94451, 119315, 126175, 160475, 250805, 318985, 337325, 351127, 446579, 472255, 596575, 661157, 1254025, 1594925, 1755635, 2232895, 2361275, 2457889, 3126053, 3305785, 6571091, 8778175, 11164475, 12289445, 15630265, 16528925, 32855455, 45997637, 61447225, 78151325, 164277275, 229988185, 321983459, 1149940925, 1609917295, 8049586475]

約数ペア:

[(1, 8049586475), (5, 1609917295), (7, 1149940925), (25, 321983459), (35, 229988185), (49, 164277275), (103, 78151325), (131, 61447225), (175, 45997637), (245, 32855455), (487, 16528925), (515, 15630265), (655, 12289445), (721, 11164475), (917, 8778175), (1225, 6571091), (2435, 3305785), (2575, 3126053), (3275, 2457889), (3409, 2361275), (3605, 2232895), (4585, 1755635), (5047, 1594925), (6419, 1254025), (12175, 661157), (13493, 596575), (17045, 472255), (18025, 446579), (22925, 351127), (23863, 337325), (25235, 318985), (32095, 250805), (50161, 160475), (63797, 126175), (67465, 119315), (85225, 94451)]