82438475

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 121420800

約数和(自身を除く): 38982325

約数列:

[1, 5, 7, 25, 35, 67, 79, 89, 175, 335, 395, 445, 469, 553, 623, 1675, 1975, 2225, 2345, 2765, 3115, 5293, 5963, 7031, 11725, 13825, 15575, 26465, 29815, 35155, 37051, 41741, 49217, 132325, 149075, 175775, 185255, 208705, 246085, 471077, 926275, 1043525, 1230425, 2355385, 3297539, 11776925, 16487695, 82438475]

約数ペア:

[(1, 82438475), (5, 16487695), (7, 11776925), (25, 3297539), (35, 2355385), (67, 1230425), (79, 1043525), (89, 926275), (175, 471077), (335, 246085), (395, 208705), (445, 185255), (469, 175775), (553, 149075), (623, 132325), (1675, 49217), (1975, 41741), (2225, 37051), (2345, 35155), (2765, 29815), (3115, 26465), (5293, 15575), (5963, 13825), (7031, 11725)]