210777640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1031}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 501552000

約数和(自身を除く): 290774360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1031, 1076, 1345, 2062, 2152, 2690, 4124, 5111, 5155, 5380, 8248, 10222, 10310, 10760, 19589, 20444, 20620, 25555, 39178, 40888, 41240, 51110, 78356, 97945, 102220, 156712, 195890, 204440, 277339, 391780, 554678, 783560, 1109356, 1386695, 2218712, 2773390, 5269441, 5546780, 10538882, 11093560, 21077764, 26347205, 42155528, 52694410, 105388820, 210777640]

約数ペア:

[(1, 210777640), (2, 105388820), (4, 52694410), (5, 42155528), (8, 26347205), (10, 21077764), (19, 11093560), (20, 10538882), (38, 5546780), (40, 5269441), (76, 2773390), (95, 2218712), (152, 1386695), (190, 1109356), (269, 783560), (380, 554678), (538, 391780), (760, 277339), (1031, 204440), (1076, 195890), (1345, 156712), (2062, 102220), (2152, 97945), (2690, 78356), (4124, 51110), (5111, 41240), (5155, 40888), (5380, 39178), (8248, 25555), (10222, 20620), (10310, 20444), (10760, 19589)]