47988990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{25391}}^1$

素因数の和:25414

約数の個数: 64

約数和(自身を含む): 146257920

約数和(自身を除く): 98268930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 25391, 50782, 76173, 126955, 152346, 177737, 228519, 253910, 355474, 380865, 457038, 533211, 685557, 761730, 888685, 1066422, 1142595, 1371114, 1599633, 1777370, 2285190, 2666055, 3199266, 3427785, 4798899, 5332110, 6855570, 7998165, 9597798, 15996330, 23994495, 47988990]

約数ペア:

[(1, 47988990), (2, 23994495), (3, 15996330), (5, 9597798), (6, 7998165), (7, 6855570), (9, 5332110), (10, 4798899), (14, 3427785), (15, 3199266), (18, 2666055), (21, 2285190), (27, 1777370), (30, 1599633), (35, 1371114), (42, 1142595), (45, 1066422), (54, 888685), (63, 761730), (70, 685557), (90, 533211), (105, 457038), (126, 380865), (135, 355474), (189, 253910), (210, 228519), (270, 177737), (315, 152346), (378, 126955), (630, 76173), (945, 50782), (1890, 25391)]