1018647770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{8089}}^1$

素因数の和:8367

約数の個数: 48

約数和(自身を含む): 2141487720

約数和(自身を除く): 1122839950

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 257, 490, 514, 1285, 1799, 2570, 3598, 8089, 8995, 12593, 16178, 17990, 25186, 40445, 56623, 62965, 80890, 113246, 125930, 283115, 396361, 566230, 792722, 1981805, 2078873, 3963610, 4157746, 10394365, 14552111, 20788730, 29104222, 72760555, 101864777, 145521110, 203729554, 509323885, 1018647770]

約数ペア:

[(1, 1018647770), (2, 509323885), (5, 203729554), (7, 145521110), (10, 101864777), (14, 72760555), (35, 29104222), (49, 20788730), (70, 14552111), (98, 10394365), (245, 4157746), (257, 3963610), (490, 2078873), (514, 1981805), (1285, 792722), (1799, 566230), (2570, 396361), (3598, 283115), (8089, 125930), (8995, 113246), (12593, 80890), (16178, 62965), (17990, 56623), (25186, 40445)]