38889725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 19439875

約数列:

[1, 5, 7, 25, 29, 35, 79, 97, 145, 175, 203, 395, 485, 553, 679, 725, 1015, 1975, 2291, 2425, 2765, 2813, 3395, 5075, 7663, 11455, 13825, 14065, 16037, 16975, 19691, 38315, 53641, 57275, 70325, 80185, 98455, 191575, 222227, 268205, 400925, 492275, 1111135, 1341025, 1555589, 5555675, 7777945, 38889725]

約数ペア:

[(1, 38889725), (5, 7777945), (7, 5555675), (25, 1555589), (29, 1341025), (35, 1111135), (79, 492275), (97, 400925), (145, 268205), (175, 222227), (203, 191575), (395, 98455), (485, 80185), (553, 70325), (679, 57275), (725, 53641), (1015, 38315), (1975, 19691), (2291, 16975), (2425, 16037), (2765, 14065), (2813, 13825), (3395, 11455), (5075, 7663)]