279227720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{410629}}^1$

素因数の和:410657

約数の個数: 32

約数和(自身を含む): 665220600

約数和(自身を除く): 385992880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 410629, 821258, 1642516, 2053145, 3285032, 4106290, 6980693, 8212580, 13961386, 16425160, 27922772, 34903465, 55845544, 69806930, 139613860, 279227720]

約数ペア:

[(1, 279227720), (2, 139613860), (4, 69806930), (5, 55845544), (8, 34903465), (10, 27922772), (17, 16425160), (20, 13961386), (34, 8212580), (40, 6980693), (68, 4106290), (85, 3285032), (136, 2053145), (170, 1642516), (340, 821258), (680, 410629)]