199956990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 488756736

約数和(自身を除く): 288799746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 163, 206, 309, 326, 397, 489, 515, 618, 794, 815, 978, 1030, 1191, 1545, 1630, 1985, 2382, 2445, 3090, 3970, 4890, 5955, 11910, 16789, 33578, 40891, 50367, 64711, 81782, 83945, 100734, 122673, 129422, 167890, 194133, 204455, 245346, 251835, 323555, 388266, 408910, 503670, 613365, 647110, 970665, 1226730, 1941330, 6665233, 13330466, 19995699, 33326165, 39991398, 66652330, 99978495, 199956990]

約数ペア:

[(1, 199956990), (2, 99978495), (3, 66652330), (5, 39991398), (6, 33326165), (10, 19995699), (15, 13330466), (30, 6665233), (103, 1941330), (163, 1226730), (206, 970665), (309, 647110), (326, 613365), (397, 503670), (489, 408910), (515, 388266), (618, 323555), (794, 251835), (815, 245346), (978, 204455), (1030, 194133), (1191, 167890), (1545, 129422), (1630, 122673), (1985, 100734), (2382, 83945), (2445, 81782), (3090, 64711), (3970, 50367), (4890, 40891), (5955, 33578), (11910, 16789)]