127912820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29473}}^1$

素因数の和:29520

約数の個数: 48

約数和(自身を含む): 316904448

約数和(自身を除く): 188991628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 29473, 58946, 117892, 147365, 206311, 294730, 412622, 589460, 825244, 913663, 1031555, 1827326, 2063110, 3654652, 4126220, 4568315, 6395641, 9136630, 12791282, 18273260, 25582564, 31978205, 63956410, 127912820]

約数ペア:

[(1, 127912820), (2, 63956410), (4, 31978205), (5, 25582564), (7, 18273260), (10, 12791282), (14, 9136630), (20, 6395641), (28, 4568315), (31, 4126220), (35, 3654652), (62, 2063110), (70, 1827326), (124, 1031555), (140, 913663), (155, 825244), (217, 589460), (310, 412622), (434, 294730), (620, 206311), (868, 147365), (1085, 117892), (2170, 58946), (4340, 29473)]