68855740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 148055040

約数和(自身を除く): 79199300

約数列:

[1, 2, 4, 5, 10, 20, 89, 101, 178, 202, 356, 383, 404, 445, 505, 766, 890, 1010, 1532, 1780, 1915, 2020, 3830, 7660, 8989, 17978, 34087, 35956, 38683, 44945, 68174, 77366, 89890, 136348, 154732, 170435, 179780, 193415, 340870, 386830, 681740, 773660, 3442787, 6885574, 13771148, 17213935, 34427870, 68855740]

約数ペア:

[(1, 68855740), (2, 34427870), (4, 17213935), (5, 13771148), (10, 6885574), (20, 3442787), (89, 773660), (101, 681740), (178, 386830), (202, 340870), (356, 193415), (383, 179780), (404, 170435), (445, 154732), (505, 136348), (766, 89890), (890, 77366), (1010, 68174), (1532, 44945), (1780, 38683), (1915, 35956), (2020, 34087), (3830, 17978), (7660, 8989)]