1779970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1641470

約数列:

[1, 2, 5, 10, 23, 46, 71, 109, 115, 142, 218, 230, 355, 545, 710, 1090, 1633, 2507, 3266, 5014, 7739, 8165, 12535, 15478, 16330, 25070, 38695, 77390, 177997, 355994, 889985, 1779970]

約数ペア:

[(1, 1779970), (2, 889985), (5, 355994), (10, 177997), (23, 77390), (46, 38695), (71, 25070), (109, 16330), (115, 15478), (142, 12535), (218, 8165), (230, 7739), (355, 5014), (545, 3266), (710, 2507), (1090, 1633)]