2017798540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{22159}}^1$

素因数の和:22354

約数の個数: 48

約数和(自身を含む): 4411612800

約数和(自身を除く): 2393814260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 3140, 4553, 9106, 18212, 22159, 22765, 44318, 45530, 88636, 91060, 110795, 221590, 443180, 642611, 1285222, 2570444, 3213055, 3478963, 6426110, 6957926, 12852220, 13915852, 17394815, 34789630, 69579260, 100889927, 201779854, 403559708, 504449635, 1008899270, 2017798540]

約数ペア:

[(1, 2017798540), (2, 1008899270), (4, 504449635), (5, 403559708), (10, 201779854), (20, 100889927), (29, 69579260), (58, 34789630), (116, 17394815), (145, 13915852), (157, 12852220), (290, 6957926), (314, 6426110), (580, 3478963), (628, 3213055), (785, 2570444), (1570, 1285222), (3140, 642611), (4553, 443180), (9106, 221590), (18212, 110795), (22159, 91060), (22765, 88636), (44318, 45530)]