235178710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 480344256

約数和(自身を除く): 245165546

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 155, 169, 310, 335, 338, 403, 670, 806, 845, 871, 1690, 1742, 2015, 2077, 4030, 4154, 4355, 4489, 5239, 8710, 8978, 10385, 10478, 11323, 20770, 22445, 22646, 26195, 27001, 44890, 52390, 54002, 56615, 58357, 113230, 116714, 135005, 139159, 270010, 278318, 291785, 351013, 583570, 695795, 702026, 758641, 1391590, 1517282, 1755065, 1809067, 3510130, 3618134, 3793205, 7586410, 9045335, 18090670, 23517871, 47035742, 117589355, 235178710]

約数ペア:

[(1, 235178710), (2, 117589355), (5, 47035742), (10, 23517871), (13, 18090670), (26, 9045335), (31, 7586410), (62, 3793205), (65, 3618134), (67, 3510130), (130, 1809067), (134, 1755065), (155, 1517282), (169, 1391590), (310, 758641), (335, 702026), (338, 695795), (403, 583570), (670, 351013), (806, 291785), (845, 278318), (871, 270010), (1690, 139159), (1742, 135005), (2015, 116714), (2077, 113230), (4030, 58357), (4154, 56615), (4355, 54002), (4489, 52390), (5239, 44890), (8710, 27001), (8978, 26195), (10385, 22646), (10478, 22445), (11323, 20770)]