781400230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^2\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 1561118832

約数和(自身を除く): 779718602

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 103, 130, 134, 169, 206, 335, 338, 515, 670, 845, 871, 1030, 1339, 1690, 1742, 2678, 4355, 4489, 6695, 6901, 8710, 8978, 11323, 13390, 13802, 17407, 22445, 22646, 34505, 34814, 44890, 56615, 58357, 69010, 87035, 89713, 113230, 116714, 174070, 179426, 291785, 448565, 462367, 583570, 758641, 897130, 924734, 1166269, 1517282, 2311835, 2332538, 3793205, 4623670, 5831345, 6010771, 7586410, 11662690, 12021542, 30053855, 60107710, 78140023, 156280046, 390700115, 781400230]

約数ペア:

[(1, 781400230), (2, 390700115), (5, 156280046), (10, 78140023), (13, 60107710), (26, 30053855), (65, 12021542), (67, 11662690), (103, 7586410), (130, 6010771), (134, 5831345), (169, 4623670), (206, 3793205), (335, 2332538), (338, 2311835), (515, 1517282), (670, 1166269), (845, 924734), (871, 897130), (1030, 758641), (1339, 583570), (1690, 462367), (1742, 448565), (2678, 291785), (4355, 179426), (4489, 174070), (6695, 116714), (6901, 113230), (8710, 89713), (8978, 87035), (11323, 69010), (13390, 58357), (13802, 56615), (17407, 44890), (22445, 34814), (22646, 34505)]