998610040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{983}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 2279534400

約数和(自身を除く): 1280924360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 233, 436, 466, 545, 872, 932, 983, 1090, 1165, 1864, 1966, 2180, 2330, 3932, 4360, 4660, 4915, 7864, 9320, 9830, 19660, 25397, 39320, 50794, 101588, 107147, 126985, 203176, 214294, 229039, 253970, 428588, 458078, 507940, 535735, 857176, 916156, 1015880, 1071470, 1145195, 1832312, 2142940, 2290390, 4285880, 4580780, 9161560, 24965251, 49930502, 99861004, 124826255, 199722008, 249652510, 499305020, 998610040]

約数ペア:

[(1, 998610040), (2, 499305020), (4, 249652510), (5, 199722008), (8, 124826255), (10, 99861004), (20, 49930502), (40, 24965251), (109, 9161560), (218, 4580780), (233, 4285880), (436, 2290390), (466, 2142940), (545, 1832312), (872, 1145195), (932, 1071470), (983, 1015880), (1090, 916156), (1165, 857176), (1864, 535735), (1966, 507940), (2180, 458078), (2330, 428588), (3932, 253970), (4360, 229039), (4660, 214294), (4915, 203176), (7864, 126985), (9320, 107147), (9830, 101588), (19660, 50794), (25397, 39320)]