208855220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78517}}^1$

素因数の和:78552

約数の個数: 48

約数和(自身を含む): 527640960

約数和(自身を除く): 318785740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 78517, 157034, 314068, 392585, 549619, 785170, 1099238, 1491823, 1570340, 2198476, 2748095, 2983646, 5496190, 5967292, 7459115, 10442761, 10992380, 14918230, 20885522, 29836460, 41771044, 52213805, 104427610, 208855220]

約数ペア:

[(1, 208855220), (2, 104427610), (4, 52213805), (5, 41771044), (7, 29836460), (10, 20885522), (14, 14918230), (19, 10992380), (20, 10442761), (28, 7459115), (35, 5967292), (38, 5496190), (70, 2983646), (76, 2748095), (95, 2198476), (133, 1570340), (140, 1491823), (190, 1099238), (266, 785170), (380, 549619), (532, 392585), (665, 314068), (1330, 157034), (2660, 78517)]