138964175

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 205582080

約数和(自身を除く): 66617905

約数列:

[1, 5, 7, 25, 35, 43, 59, 175, 215, 295, 301, 313, 413, 1075, 1475, 1505, 1565, 2065, 2191, 2537, 7525, 7825, 10325, 10955, 12685, 13459, 17759, 18467, 54775, 63425, 67295, 88795, 92335, 94213, 129269, 336475, 443975, 461675, 471065, 646345, 794081, 2355325, 3231725, 3970405, 5558567, 19852025, 27792835, 138964175]

約数ペア:

[(1, 138964175), (5, 27792835), (7, 19852025), (25, 5558567), (35, 3970405), (43, 3231725), (59, 2355325), (175, 794081), (215, 646345), (295, 471065), (301, 461675), (313, 443975), (413, 336475), (1075, 129269), (1475, 94213), (1505, 92335), (1565, 88795), (2065, 67295), (2191, 63425), (2537, 54775), (7525, 18467), (7825, 17759), (10325, 13459), (10955, 12685)]