72017890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8101}}^1$

素因数の和:8242

約数の個数: 32

約数和(自身を含む): 149336064

約数和(自身を除く): 77318174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8101, 8890, 16202, 40505, 56707, 81010, 113414, 283535, 567070, 1028827, 2057654, 5144135, 7201789, 10288270, 14403578, 36008945, 72017890]

約数ペア:

[(1, 72017890), (2, 36008945), (5, 14403578), (7, 10288270), (10, 7201789), (14, 5144135), (35, 2057654), (70, 1028827), (127, 567070), (254, 283535), (635, 113414), (889, 81010), (1270, 56707), (1778, 40505), (4445, 16202), (8101, 8890)]