1914565540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{2251}}^1$

素因数の和:2369

約数の個数: 72

約数和(自身を含む): 4297140288

約数和(自身を除く): 2382574748

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1849, 1978, 2251, 3698, 3956, 4502, 4945, 7396, 9004, 9245, 9890, 11255, 18490, 19780, 22510, 36980, 42527, 45020, 51773, 85054, 96793, 103546, 170108, 193586, 207092, 212635, 258865, 387172, 425270, 483965, 517730, 850540, 967930, 1035460, 1935860, 2226239, 4162099, 4452478, 8324198, 8904956, 11131195, 16648396, 20810495, 22262390, 41620990, 44524780, 83241980, 95728277, 191456554, 382913108, 478641385, 957282770, 1914565540]

約数ペア:

[(1, 1914565540), (2, 957282770), (4, 478641385), (5, 382913108), (10, 191456554), (20, 95728277), (23, 83241980), (43, 44524780), (46, 41620990), (86, 22262390), (92, 20810495), (115, 16648396), (172, 11131195), (215, 8904956), (230, 8324198), (430, 4452478), (460, 4162099), (860, 2226239), (989, 1935860), (1849, 1035460), (1978, 967930), (2251, 850540), (3698, 517730), (3956, 483965), (4502, 425270), (4945, 387172), (7396, 258865), (9004, 212635), (9245, 207092), (9890, 193586), (11255, 170108), (18490, 103546), (19780, 96793), (22510, 85054), (36980, 51773), (42527, 45020)]