169451425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 258594560

約数和(自身を除く): 89143135

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 121, 139, 143, 155, 275, 325, 341, 403, 605, 695, 715, 775, 1529, 1573, 1705, 1807, 2015, 3025, 3475, 3575, 3751, 4309, 4433, 7645, 7865, 8525, 9035, 10075, 16819, 18755, 19877, 21545, 22165, 38225, 39325, 45175, 47399, 48763, 56017, 84095, 93775, 99385, 107725, 110825, 218647, 236995, 243815, 280085, 420475, 496925, 521389, 616187, 1093235, 1184975, 1219075, 1400425, 2606945, 3080935, 5466175, 6778057, 13034725, 15404675, 33890285, 169451425]

約数ペア:

[(1, 169451425), (5, 33890285), (11, 15404675), (13, 13034725), (25, 6778057), (31, 5466175), (55, 3080935), (65, 2606945), (121, 1400425), (139, 1219075), (143, 1184975), (155, 1093235), (275, 616187), (325, 521389), (341, 496925), (403, 420475), (605, 280085), (695, 243815), (715, 236995), (775, 218647), (1529, 110825), (1573, 107725), (1705, 99385), (1807, 93775), (2015, 84095), (3025, 56017), (3475, 48763), (3575, 47399), (3751, 45175), (4309, 39325), (4433, 38225), (7645, 22165), (7865, 21545), (8525, 19877), (9035, 18755), (10075, 16819)]