256225925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 350572800

約数和(自身を除く): 94346875

約数列:

[1, 5, 19, 25, 37, 61, 95, 185, 239, 305, 475, 703, 925, 1159, 1195, 1525, 2257, 3515, 4541, 5795, 5975, 8843, 11285, 14579, 17575, 22705, 28975, 42883, 44215, 56425, 72895, 113525, 168017, 214415, 221075, 277001, 364475, 539423, 840085, 1072075, 1385005, 2697115, 4200425, 6925025, 10249037, 13485575, 51245185, 256225925]

約数ペア:

[(1, 256225925), (5, 51245185), (19, 13485575), (25, 10249037), (37, 6925025), (61, 4200425), (95, 2697115), (185, 1385005), (239, 1072075), (305, 840085), (475, 539423), (703, 364475), (925, 277001), (1159, 221075), (1195, 214415), (1525, 168017), (2257, 113525), (3515, 72895), (4541, 56425), (5795, 44215), (5975, 42883), (8843, 28975), (11285, 22705), (14579, 17575)]