902164075

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 1274516640

約数和(自身を除く): 372352565

約数列:

[1, 5, 17, 23, 25, 61, 85, 89, 115, 289, 305, 391, 425, 445, 575, 1037, 1403, 1445, 1513, 1525, 1955, 2047, 2225, 5185, 5429, 6647, 7015, 7225, 7565, 9775, 10235, 17629, 23851, 25721, 25925, 27145, 33235, 34799, 35075, 37825, 51175, 88145, 92293, 119255, 124867, 128605, 135725, 166175, 173995, 405467, 440725, 461465, 591583, 596275, 624335, 643025, 869975, 1568981, 2027335, 2122739, 2307325, 2957915, 3121675, 7844905, 10136675, 10613695, 14789575, 36086563, 39224525, 53068475, 180432815, 902164075]

約数ペア:

[(1, 902164075), (5, 180432815), (17, 53068475), (23, 39224525), (25, 36086563), (61, 14789575), (85, 10613695), (89, 10136675), (115, 7844905), (289, 3121675), (305, 2957915), (391, 2307325), (425, 2122739), (445, 2027335), (575, 1568981), (1037, 869975), (1403, 643025), (1445, 624335), (1513, 596275), (1525, 591583), (1955, 461465), (2047, 440725), (2225, 405467), (5185, 173995), (5429, 166175), (6647, 135725), (7015, 128605), (7225, 124867), (7565, 119255), (9775, 92293), (10235, 88145), (17629, 51175), (23851, 37825), (25721, 35075), (25925, 34799), (27145, 33235)]