279513410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^2\times {\mathrm{199}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 556545600

約数和(自身を除く): 277032190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 199, 226, 398, 565, 995, 1130, 1243, 1990, 2189, 2486, 4378, 6215, 10945, 12430, 12769, 21890, 22487, 25538, 44974, 63845, 112435, 127690, 140459, 224870, 247357, 280918, 494714, 702295, 1236785, 1404590, 2473570, 2541031, 5082062, 12705155, 25410310, 27951341, 55902682, 139756705, 279513410]

約数ペア:

[(1, 279513410), (2, 139756705), (5, 55902682), (10, 27951341), (11, 25410310), (22, 12705155), (55, 5082062), (110, 2541031), (113, 2473570), (199, 1404590), (226, 1236785), (398, 702295), (565, 494714), (995, 280918), (1130, 247357), (1243, 224870), (1990, 140459), (2189, 127690), (2486, 112435), (4378, 63845), (6215, 44974), (10945, 25538), (12430, 22487), (12769, 21890)]