30466940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{809}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 73483200

約数和(自身を除く): 43016260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 809, 1076, 1345, 1618, 1883, 2690, 3236, 3766, 4045, 5380, 5663, 7532, 8090, 9415, 11326, 16180, 18830, 22652, 28315, 37660, 56630, 113260, 217621, 435242, 870484, 1088105, 1523347, 2176210, 3046694, 4352420, 6093388, 7616735, 15233470, 30466940]

約数ペア:

[(1, 30466940), (2, 15233470), (4, 7616735), (5, 6093388), (7, 4352420), (10, 3046694), (14, 2176210), (20, 1523347), (28, 1088105), (35, 870484), (70, 435242), (140, 217621), (269, 113260), (538, 56630), (809, 37660), (1076, 28315), (1345, 22652), (1618, 18830), (1883, 16180), (2690, 11326), (3236, 9415), (3766, 8090), (4045, 7532), (5380, 5663)]