189881720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2521}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 490276800

約数和(自身を除く): 300395080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 1076, 1345, 1883, 2152, 2521, 2690, 3766, 5042, 5380, 7532, 9415, 10084, 10760, 12605, 15064, 17647, 18830, 20168, 25210, 35294, 37660, 50420, 70588, 75320, 88235, 100840, 141176, 176470, 352940, 678149, 705880, 1356298, 2712596, 3390745, 4747043, 5425192, 6781490, 9494086, 13562980, 18988172, 23735215, 27125960, 37976344, 47470430, 94940860, 189881720]

約数ペア:

[(1, 189881720), (2, 94940860), (4, 47470430), (5, 37976344), (7, 27125960), (8, 23735215), (10, 18988172), (14, 13562980), (20, 9494086), (28, 6781490), (35, 5425192), (40, 4747043), (56, 3390745), (70, 2712596), (140, 1356298), (269, 705880), (280, 678149), (538, 352940), (1076, 176470), (1345, 141176), (1883, 100840), (2152, 88235), (2521, 75320), (2690, 70588), (3766, 50420), (5042, 37660), (5380, 35294), (7532, 25210), (9415, 20168), (10084, 18830), (10760, 17647), (12605, 15064)]