28155220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 62431488

約数和(自身を除く): 34276268

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 631, 970, 1262, 1940, 2231, 2524, 3155, 4462, 6310, 8924, 11155, 12620, 14513, 22310, 29026, 44620, 58052, 61207, 72565, 122414, 145130, 244828, 290260, 306035, 612070, 1224140, 1407761, 2815522, 5631044, 7038805, 14077610, 28155220]

約数ペア:

[(1, 28155220), (2, 14077610), (4, 7038805), (5, 5631044), (10, 2815522), (20, 1407761), (23, 1224140), (46, 612070), (92, 306035), (97, 290260), (115, 244828), (194, 145130), (230, 122414), (388, 72565), (460, 61207), (485, 58052), (631, 44620), (970, 29026), (1262, 22310), (1940, 14513), (2231, 12620), (2524, 11155), (3155, 8924), (4462, 6310)]