207915620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9743}}^1$

素因数の和:9860

約数の個数: 48

約数和(自身を含む): 481275648

約数和(自身を除く): 273360028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 9743, 10670, 19486, 21340, 38972, 48715, 97430, 107173, 194860, 214346, 428692, 535865, 945071, 1071730, 1890142, 2143460, 3780284, 4725355, 9450710, 10395781, 18901420, 20791562, 41583124, 51978905, 103957810, 207915620]

約数ペア:

[(1, 207915620), (2, 103957810), (4, 51978905), (5, 41583124), (10, 20791562), (11, 18901420), (20, 10395781), (22, 9450710), (44, 4725355), (55, 3780284), (97, 2143460), (110, 1890142), (194, 1071730), (220, 945071), (388, 535865), (485, 428692), (970, 214346), (1067, 194860), (1940, 107173), (2134, 97430), (4268, 48715), (5335, 38972), (9743, 21340), (10670, 19486)]