822020180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{2251}}^1$

素因数の和:2341

約数の個数: 72

約数和(自身を含む): 1878438240

約数和(自身を除く): 1056418060

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 961, 1178, 1922, 2251, 2356, 2945, 3844, 4502, 4805, 5890, 9004, 9610, 11255, 11780, 18259, 19220, 22510, 36518, 42769, 45020, 69781, 73036, 85538, 91295, 139562, 171076, 182590, 213845, 279124, 348905, 365180, 427690, 697810, 855380, 1325839, 1395620, 2163211, 2651678, 4326422, 5303356, 6629195, 8652844, 10816055, 13258390, 21632110, 26516780, 41101009, 43264220, 82202018, 164404036, 205505045, 411010090, 822020180]

約数ペア:

[(1, 822020180), (2, 411010090), (4, 205505045), (5, 164404036), (10, 82202018), (19, 43264220), (20, 41101009), (31, 26516780), (38, 21632110), (62, 13258390), (76, 10816055), (95, 8652844), (124, 6629195), (155, 5303356), (190, 4326422), (310, 2651678), (380, 2163211), (589, 1395620), (620, 1325839), (961, 855380), (1178, 697810), (1922, 427690), (2251, 365180), (2356, 348905), (2945, 279124), (3844, 213845), (4502, 182590), (4805, 171076), (5890, 139562), (9004, 91295), (9610, 85538), (11255, 73036), (11780, 69781), (18259, 45020), (19220, 42769), (22510, 36518)]