28233800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 79302960

約数和(自身を除く): 51069160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 49, 50, 56, 67, 70, 86, 98, 100, 134, 140, 172, 175, 196, 200, 215, 245, 268, 280, 301, 335, 344, 350, 392, 430, 469, 490, 536, 602, 670, 700, 860, 938, 980, 1075, 1204, 1225, 1340, 1400, 1505, 1675, 1720, 1876, 1960, 2107, 2150, 2345, 2408, 2450, 2680, 2881, 3010, 3283, 3350, 3752, 4214, 4300, 4690, 4900, 5762, 6020, 6566, 6700, 7525, 8428, 8600, 9380, 9800, 10535, 11524, 11725, 12040, 13132, 13400, 14405, 15050, 16415, 16856, 18760, 20167, 21070, 23048, 23450, 26264, 28810, 30100, 32830, 40334, 42140, 46900, 52675, 57620, 60200, 65660, 72025, 80668, 82075, 84280, 93800, 100835, 105350, 115240, 131320, 141169, 144050, 161336, 164150, 201670, 210700, 282338, 288100, 328300, 403340, 421400, 504175, 564676, 576200, 656600, 705845, 806680, 1008350, 1129352, 1411690, 2016700, 2823380, 3529225, 4033400, 5646760, 7058450, 14116900, 28233800]

約数ペア:

[(1, 28233800), (2, 14116900), (4, 7058450), (5, 5646760), (7, 4033400), (8, 3529225), (10, 2823380), (14, 2016700), (20, 1411690), (25, 1129352), (28, 1008350), (35, 806680), (40, 705845), (43, 656600), (49, 576200), (50, 564676), (56, 504175), (67, 421400), (70, 403340), (86, 328300), (98, 288100), (100, 282338), (134, 210700), (140, 201670), (172, 164150), (175, 161336), (196, 144050), (200, 141169), (215, 131320), (245, 115240), (268, 105350), (280, 100835), (301, 93800), (335, 84280), (344, 82075), (350, 80668), (392, 72025), (430, 65660), (469, 60200), (490, 57620), (536, 52675), (602, 46900), (670, 42140), (700, 40334), (860, 32830), (938, 30100), (980, 28810), (1075, 26264), (1204, 23450), (1225, 23048), (1340, 21070), (1400, 20167), (1505, 18760), (1675, 16856), (1720, 16415), (1876, 15050), (1960, 14405), (2107, 13400), (2150, 13132), (2345, 12040), (2408, 11725), (2450, 11524), (2680, 10535), (2881, 9800), (3010, 9380), (3283, 8600), (3350, 8428), (3752, 7525), (4214, 6700), (4300, 6566), (4690, 6020), (4900, 5762)]