42289720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 62219720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 431, 440, 446, 862, 892, 1115, 1724, 1784, 2155, 2230, 2453, 3448, 4310, 4460, 4741, 4906, 8620, 8920, 9482, 9812, 12265, 17240, 18964, 19624, 23705, 24530, 37928, 47410, 49060, 94820, 96113, 98120, 189640, 192226, 384452, 480565, 768904, 961130, 1057243, 1922260, 2114486, 3844520, 4228972, 5286215, 8457944, 10572430, 21144860, 42289720]

約数ペア:

[(1, 42289720), (2, 21144860), (4, 10572430), (5, 8457944), (8, 5286215), (10, 4228972), (11, 3844520), (20, 2114486), (22, 1922260), (40, 1057243), (44, 961130), (55, 768904), (88, 480565), (110, 384452), (220, 192226), (223, 189640), (431, 98120), (440, 96113), (446, 94820), (862, 49060), (892, 47410), (1115, 37928), (1724, 24530), (1784, 23705), (2155, 19624), (2230, 18964), (2453, 17240), (3448, 12265), (4310, 9812), (4460, 9482), (4741, 8920), (4906, 8620)]