8460620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 20471808

約数和(自身を除く): 12011188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 271, 446, 542, 892, 1084, 1115, 1355, 1561, 1897, 2230, 2710, 3122, 3794, 4460, 5420, 6244, 7588, 7805, 9485, 15610, 18970, 31220, 37940, 60433, 120866, 241732, 302165, 423031, 604330, 846062, 1208660, 1692124, 2115155, 4230310, 8460620]

約数ペア:

[(1, 8460620), (2, 4230310), (4, 2115155), (5, 1692124), (7, 1208660), (10, 846062), (14, 604330), (20, 423031), (28, 302165), (35, 241732), (70, 120866), (140, 60433), (223, 37940), (271, 31220), (446, 18970), (542, 15610), (892, 9485), (1084, 7805), (1115, 7588), (1355, 6244), (1561, 5420), (1897, 4460), (2230, 3794), (2710, 3122)]