257020452

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:607

約数の個数: 120

約数和(自身を含む): 730452800

約数和(自身を除く): 473432348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 139, 156, 162, 234, 278, 324, 351, 417, 439, 468, 556, 702, 834, 878, 1053, 1251, 1317, 1404, 1668, 1756, 1807, 2106, 2502, 2634, 3614, 3753, 3951, 4212, 5004, 5268, 5421, 5707, 7228, 7506, 7902, 10842, 11259, 11414, 11853, 15012, 15804, 16263, 17121, 21684, 22518, 22828, 23706, 32526, 34242, 35559, 45036, 47412, 48789, 51363, 61021, 65052, 68484, 71118, 97578, 102726, 122042, 142236, 146367, 154089, 183063, 195156, 205452, 244084, 292734, 308178, 366126, 462267, 549189, 585468, 616356, 732252, 793273, 924534, 1098378, 1586546, 1647567, 1849068, 2196756, 2379819, 3173092, 3295134, 4759638, 4942701, 6590268, 7139457, 9519276, 9885402, 14278914, 19770804, 21418371, 28557828, 42836742, 64255113, 85673484, 128510226, 257020452]

約数ペア:

[(1, 257020452), (2, 128510226), (3, 85673484), (4, 64255113), (6, 42836742), (9, 28557828), (12, 21418371), (13, 19770804), (18, 14278914), (26, 9885402), (27, 9519276), (36, 7139457), (39, 6590268), (52, 4942701), (54, 4759638), (78, 3295134), (81, 3173092), (108, 2379819), (117, 2196756), (139, 1849068), (156, 1647567), (162, 1586546), (234, 1098378), (278, 924534), (324, 793273), (351, 732252), (417, 616356), (439, 585468), (468, 549189), (556, 462267), (702, 366126), (834, 308178), (878, 292734), (1053, 244084), (1251, 205452), (1317, 195156), (1404, 183063), (1668, 154089), (1756, 146367), (1807, 142236), (2106, 122042), (2502, 102726), (2634, 97578), (3614, 71118), (3753, 68484), (3951, 65052), (4212, 61021), (5004, 51363), (5268, 48789), (5421, 47412), (5707, 45036), (7228, 35559), (7506, 34242), (7902, 32526), (10842, 23706), (11259, 22828), (11414, 22518), (11853, 21684), (15012, 17121), (15804, 16263)]