161051380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31091}}^1$

素因数の和:31144

約数の個数: 48

約数和(自身を含む): 396982656

約数和(自身を除く): 235931276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 31091, 62182, 124364, 155455, 217637, 310910, 435274, 621820, 870548, 1088185, 1150367, 2176370, 2300734, 4352740, 4601468, 5751835, 8052569, 11503670, 16105138, 23007340, 32210276, 40262845, 80525690, 161051380]

約数ペア:

[(1, 161051380), (2, 80525690), (4, 40262845), (5, 32210276), (7, 23007340), (10, 16105138), (14, 11503670), (20, 8052569), (28, 5751835), (35, 4601468), (37, 4352740), (70, 2300734), (74, 2176370), (140, 1150367), (148, 1088185), (185, 870548), (259, 621820), (370, 435274), (518, 310910), (740, 217637), (1036, 155455), (1295, 124364), (2590, 62182), (5180, 31091)]