248032904

素因数分解:

$2^3\times 7^4\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 558799500

約数和(自身を除く): 310766596

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 343, 349, 392, 518, 686, 698, 1036, 1372, 1396, 1813, 2072, 2401, 2443, 2744, 2792, 3626, 4802, 4886, 7252, 9604, 9772, 12691, 12913, 14504, 17101, 19208, 19544, 25382, 25826, 34202, 50764, 51652, 68404, 88837, 90391, 101528, 103304, 119707, 136808, 177674, 180782, 239414, 355348, 361564, 478828, 632737, 710696, 723128, 837949, 957656, 1265474, 1675898, 2530948, 3351796, 4429159, 5061896, 6703592, 8858318, 17716636, 31004113, 35433272, 62008226, 124016452, 248032904]

約数ペア:

[(1, 248032904), (2, 124016452), (4, 62008226), (7, 35433272), (8, 31004113), (14, 17716636), (28, 8858318), (37, 6703592), (49, 5061896), (56, 4429159), (74, 3351796), (98, 2530948), (148, 1675898), (196, 1265474), (259, 957656), (296, 837949), (343, 723128), (349, 710696), (392, 632737), (518, 478828), (686, 361564), (698, 355348), (1036, 239414), (1372, 180782), (1396, 177674), (1813, 136808), (2072, 119707), (2401, 103304), (2443, 101528), (2744, 90391), (2792, 88837), (3626, 68404), (4802, 51652), (4886, 50764), (7252, 34202), (9604, 25826), (9772, 25382), (12691, 19544), (12913, 19208), (14504, 17101)]