47504275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 78172080

約数和(自身を除く): 30667805

約数列:

[1, 5, 7, 13, 19, 25, 35, 49, 65, 91, 95, 133, 157, 175, 245, 247, 325, 455, 475, 637, 665, 785, 931, 1099, 1225, 1235, 1729, 2041, 2275, 2983, 3185, 3325, 3925, 4655, 5495, 6175, 7693, 8645, 10205, 12103, 14287, 14915, 15925, 20881, 23275, 27475, 38465, 38779, 43225, 51025, 60515, 71435, 74575, 100009, 104405, 146167, 192325, 193895, 271453, 302575, 357175, 500045, 522025, 730835, 969475, 1357265, 1900171, 2500225, 3654175, 6786325, 9500855, 47504275]

約数ペア:

[(1, 47504275), (5, 9500855), (7, 6786325), (13, 3654175), (19, 2500225), (25, 1900171), (35, 1357265), (49, 969475), (65, 730835), (91, 522025), (95, 500045), (133, 357175), (157, 302575), (175, 271453), (245, 193895), (247, 192325), (325, 146167), (455, 104405), (475, 100009), (637, 74575), (665, 71435), (785, 60515), (931, 51025), (1099, 43225), (1225, 38779), (1235, 38465), (1729, 27475), (2041, 23275), (2275, 20881), (2983, 15925), (3185, 14915), (3325, 14287), (3925, 12103), (4655, 10205), (5495, 8645), (6175, 7693)]