28421542010

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 52108336800

約数和(自身を除く): 23686794790

約数列:

[1, 2, 5, 10, 157, 173, 269, 314, 346, 389, 538, 778, 785, 865, 1345, 1570, 1730, 1945, 2690, 3890, 27161, 42233, 46537, 54322, 61073, 67297, 84466, 93074, 104641, 122146, 134594, 135805, 209282, 211165, 232685, 271610, 305365, 336485, 422330, 465370, 523205, 610730, 672970, 1046410, 7306309, 10565629, 14612618, 16428637, 18102893, 21131258, 32857274, 36205786, 36531545, 52828145, 73063090, 82143185, 90514465, 105656290, 164286370, 181028930, 2842154201, 5684308402, 14210771005, 28421542010]

約数ペア:

[(1, 28421542010), (2, 14210771005), (5, 5684308402), (10, 2842154201), (157, 181028930), (173, 164286370), (269, 105656290), (314, 90514465), (346, 82143185), (389, 73063090), (538, 52828145), (778, 36531545), (785, 36205786), (865, 32857274), (1345, 21131258), (1570, 18102893), (1730, 16428637), (1945, 14612618), (2690, 10565629), (3890, 7306309), (27161, 1046410), (42233, 672970), (46537, 610730), (54322, 523205), (61073, 465370), (67297, 422330), (84466, 336485), (93074, 305365), (104641, 271610), (122146, 232685), (134594, 211165), (135805, 209282)]