205257580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5393}}^1$

素因数の和:5586

約数の個数: 48

約数和(自身を含む): 473032224

約数和(自身を除く): 267774644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 5393, 7612, 9515, 10786, 19030, 21572, 26965, 38060, 53930, 59323, 107860, 118646, 237292, 296615, 593230, 932989, 1186460, 1865978, 3731956, 4664945, 9329890, 10262879, 18659780, 20525758, 41051516, 51314395, 102628790, 205257580]

約数ペア:

[(1, 205257580), (2, 102628790), (4, 51314395), (5, 41051516), (10, 20525758), (11, 18659780), (20, 10262879), (22, 9329890), (44, 4664945), (55, 3731956), (110, 1865978), (173, 1186460), (220, 932989), (346, 593230), (692, 296615), (865, 237292), (1730, 118646), (1903, 107860), (3460, 59323), (3806, 53930), (5393, 38060), (7612, 26965), (9515, 21572), (10786, 19030)]