290066476

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 611229696

約数和(自身を除く): 321163220

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 127, 172, 196, 254, 271, 301, 508, 542, 602, 889, 1084, 1204, 1778, 1897, 2107, 3556, 3794, 4214, 5461, 6223, 7588, 8428, 10922, 11653, 12446, 13279, 21844, 23306, 24892, 26558, 34417, 38227, 46612, 53116, 68834, 76454, 81571, 137668, 152908, 163142, 240919, 267589, 326284, 481838, 535178, 570997, 963676, 1070356, 1141994, 1479931, 1686433, 2283988, 2959862, 3372866, 5919724, 6745732, 10359517, 20719034, 41438068, 72516619, 145033238, 290066476]

約数ペア:

[(1, 290066476), (2, 145033238), (4, 72516619), (7, 41438068), (14, 20719034), (28, 10359517), (43, 6745732), (49, 5919724), (86, 3372866), (98, 2959862), (127, 2283988), (172, 1686433), (196, 1479931), (254, 1141994), (271, 1070356), (301, 963676), (508, 570997), (542, 535178), (602, 481838), (889, 326284), (1084, 267589), (1204, 240919), (1778, 163142), (1897, 152908), (2107, 137668), (3556, 81571), (3794, 76454), (4214, 68834), (5461, 53116), (6223, 46612), (7588, 38227), (8428, 34417), (10922, 26558), (11653, 24892), (12446, 23306), (13279, 21844)]