274375255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 424928160

約数和(自身を除く): 150552905

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 245, 305, 385, 427, 539, 671, 1669, 2135, 2695, 2989, 3355, 4697, 8345, 11683, 14945, 18359, 23485, 32879, 58415, 81781, 91795, 101809, 128513, 164395, 408905, 509045, 642565, 712663, 899591, 1119899, 3563315, 4497955, 4988641, 5599495, 7839293, 24943205, 39196465, 54875051, 274375255]

約数ペア:

[(1, 274375255), (5, 54875051), (7, 39196465), (11, 24943205), (35, 7839293), (49, 5599495), (55, 4988641), (61, 4497955), (77, 3563315), (245, 1119899), (305, 899591), (385, 712663), (427, 642565), (539, 509045), (671, 408905), (1669, 164395), (2135, 128513), (2695, 101809), (2989, 91795), (3355, 81781), (4697, 58415), (8345, 32879), (11683, 23485), (14945, 18359)]