308912860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8854

約数の個数: 48

約数和(自身を含む): 680071392

約数和(自身を除く): 371158532

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8761, 8815, 17522, 17630, 35044, 35260, 43805, 87610, 175220, 359201, 376723, 718402, 753446, 1436804, 1506892, 1796005, 1883615, 3592010, 3767230, 7184020, 7534460, 15445643, 30891286, 61782572, 77228215, 154456430, 308912860]

約数ペア:

[(1, 308912860), (2, 154456430), (4, 77228215), (5, 61782572), (10, 30891286), (20, 15445643), (41, 7534460), (43, 7184020), (82, 3767230), (86, 3592010), (164, 1883615), (172, 1796005), (205, 1506892), (215, 1436804), (410, 753446), (430, 718402), (820, 376723), (860, 359201), (1763, 175220), (3526, 87610), (7052, 43805), (8761, 35260), (8815, 35044), (17522, 17630)]