27146780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 58605120

約数和(自身を除く): 31458340

約数列:

[1, 2, 4, 5, 10, 20, 89, 101, 151, 178, 202, 302, 356, 404, 445, 505, 604, 755, 890, 1010, 1510, 1780, 2020, 3020, 8989, 13439, 15251, 17978, 26878, 30502, 35956, 44945, 53756, 61004, 67195, 76255, 89890, 134390, 152510, 179780, 268780, 305020, 1357339, 2714678, 5429356, 6786695, 13573390, 27146780]

約数ペア:

[(1, 27146780), (2, 13573390), (4, 6786695), (5, 5429356), (10, 2714678), (20, 1357339), (89, 305020), (101, 268780), (151, 179780), (178, 152510), (202, 134390), (302, 89890), (356, 76255), (404, 67195), (445, 61004), (505, 53756), (604, 44945), (755, 35956), (890, 30502), (1010, 26878), (1510, 17978), (1780, 15251), (2020, 13439), (3020, 8989)]