814343420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{194819}}^1$

素因数の和:194858

約数の個数: 48

約数和(自身を含む): 1963785600

約数和(自身を除く): 1149442180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 194819, 389638, 779276, 974095, 1948190, 2143009, 3701561, 3896380, 4286018, 7403122, 8572036, 10715045, 14806244, 18507805, 21430090, 37015610, 40717171, 42860180, 74031220, 81434342, 162868684, 203585855, 407171710, 814343420]

約数ペア:

[(1, 814343420), (2, 407171710), (4, 203585855), (5, 162868684), (10, 81434342), (11, 74031220), (19, 42860180), (20, 40717171), (22, 37015610), (38, 21430090), (44, 18507805), (55, 14806244), (76, 10715045), (95, 8572036), (110, 7403122), (190, 4286018), (209, 3896380), (220, 3701561), (380, 2143009), (418, 1948190), (836, 974095), (1045, 779276), (2090, 389638), (4180, 194819)]