440113960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76943}}^1$

素因数の和:76978

約数の個数: 64

約数和(自身を含む): 1163393280

約数和(自身を除く): 723279320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 76943, 153886, 307772, 384715, 615544, 769430, 846373, 1000259, 1538860, 1692746, 2000518, 3077720, 3385492, 4001036, 4231865, 5001295, 6770984, 8002072, 8463730, 10002590, 11002849, 16927460, 20005180, 22005698, 33854920, 40010360, 44011396, 55014245, 88022792, 110028490, 220056980, 440113960]

約数ペア:

[(1, 440113960), (2, 220056980), (4, 110028490), (5, 88022792), (8, 55014245), (10, 44011396), (11, 40010360), (13, 33854920), (20, 22005698), (22, 20005180), (26, 16927460), (40, 11002849), (44, 10002590), (52, 8463730), (55, 8002072), (65, 6770984), (88, 5001295), (104, 4231865), (110, 4001036), (130, 3385492), (143, 3077720), (220, 2000518), (260, 1692746), (286, 1538860), (440, 1000259), (520, 846373), (572, 769430), (715, 615544), (1144, 384715), (1430, 307772), (2860, 153886), (5720, 76943)]