90614975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 128325120

約数和(自身を除く): 37710145

約数列:

[1, 5, 11, 25, 43, 55, 79, 97, 215, 275, 395, 473, 485, 869, 1067, 1075, 1975, 2365, 2425, 3397, 4171, 4345, 5335, 7663, 11825, 16985, 20855, 21725, 26675, 37367, 38315, 45881, 84293, 84925, 104275, 186835, 191575, 229405, 329509, 421465, 934175, 1147025, 1647545, 2107325, 3624599, 8237725, 18122995, 90614975]

約数ペア:

[(1, 90614975), (5, 18122995), (11, 8237725), (25, 3624599), (43, 2107325), (55, 1647545), (79, 1147025), (97, 934175), (215, 421465), (275, 329509), (395, 229405), (473, 191575), (485, 186835), (869, 104275), (1067, 84925), (1075, 84293), (1975, 45881), (2365, 38315), (2425, 37367), (3397, 26675), (4171, 21725), (4345, 20855), (5335, 16985), (7663, 11825)]