84881020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1447}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 204341760

約数和(自身を除く): 119460740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1447, 1676, 2095, 2894, 2933, 4190, 5788, 5866, 7235, 8380, 10129, 11732, 14470, 14665, 20258, 28940, 29330, 40516, 50645, 58660, 101290, 202580, 606293, 1212586, 2425172, 3031465, 4244051, 6062930, 8488102, 12125860, 16976204, 21220255, 42440510, 84881020]

約数ペア:

[(1, 84881020), (2, 42440510), (4, 21220255), (5, 16976204), (7, 12125860), (10, 8488102), (14, 6062930), (20, 4244051), (28, 3031465), (35, 2425172), (70, 1212586), (140, 606293), (419, 202580), (838, 101290), (1447, 58660), (1676, 50645), (2095, 40516), (2894, 29330), (2933, 28940), (4190, 20258), (5788, 14665), (5866, 14470), (7235, 11732), (8380, 10129)]