1293140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2963520

約数和(自身を除く): 1670380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 83, 95, 164, 166, 190, 205, 332, 380, 410, 415, 779, 820, 830, 1558, 1577, 1660, 3116, 3154, 3403, 3895, 6308, 6806, 7790, 7885, 13612, 15580, 15770, 17015, 31540, 34030, 64657, 68060, 129314, 258628, 323285, 646570, 1293140]

約数ペア:

[(1, 1293140), (2, 646570), (4, 323285), (5, 258628), (10, 129314), (19, 68060), (20, 64657), (38, 34030), (41, 31540), (76, 17015), (82, 15770), (83, 15580), (95, 13612), (164, 7885), (166, 7790), (190, 6806), (205, 6308), (332, 3895), (380, 3403), (410, 3154), (415, 3116), (779, 1660), (820, 1577), (830, 1558)]