191001020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{194899}}^1$

素因数の和:194922

約数の個数: 36

約数和(自身を含む): 466590600

約数和(自身を除く): 275589580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 194899, 389798, 779596, 974495, 1364293, 1948990, 2728586, 3897980, 5457172, 6821465, 9550051, 13642930, 19100102, 27285860, 38200204, 47750255, 95500510, 191001020]

約数ペア:

[(1, 191001020), (2, 95500510), (4, 47750255), (5, 38200204), (7, 27285860), (10, 19100102), (14, 13642930), (20, 9550051), (28, 6821465), (35, 5457172), (49, 3897980), (70, 2728586), (98, 1948990), (140, 1364293), (196, 974495), (245, 779596), (490, 389798), (980, 194899)]