290739512

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{120739}}^1$

素因数の和:120795

約数の個数: 32

約数和(自身を含む): 637507200

約数和(自身を除く): 346767688

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 120739, 241478, 482956, 845173, 965912, 1690346, 3380692, 5191777, 6761384, 10383554, 20767108, 36342439, 41534216, 72684878, 145369756, 290739512]

約数ペア:

[(1, 290739512), (2, 145369756), (4, 72684878), (7, 41534216), (8, 36342439), (14, 20767108), (28, 10383554), (43, 6761384), (56, 5191777), (86, 3380692), (172, 1690346), (301, 965912), (344, 845173), (602, 482956), (1204, 241478), (2408, 120739)]