1640952950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{360649}}^1$

素因数の和:360681

約数の個数: 48

約数和(自身を含む): 3756530400

約数和(自身を除く): 2115577450

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 360649, 721298, 1803245, 2524543, 3606490, 4688437, 5049086, 9016225, 9376874, 12622715, 18032450, 23442185, 25245430, 32819059, 46884370, 63113575, 65638118, 117210925, 126227150, 164095295, 234421850, 328190590, 820476475, 1640952950]

約数ペア:

[(1, 1640952950), (2, 820476475), (5, 328190590), (7, 234421850), (10, 164095295), (13, 126227150), (14, 117210925), (25, 65638118), (26, 63113575), (35, 46884370), (50, 32819059), (65, 25245430), (70, 23442185), (91, 18032450), (130, 12622715), (175, 9376874), (182, 9016225), (325, 5049086), (350, 4688437), (455, 3606490), (650, 2524543), (910, 1803245), (2275, 721298), (4550, 360649)]