681452380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{13789}}^1$

素因数の和:14158

約数の個数: 48

約数和(自身を含む): 1640237760

約数和(自身を除く): 958785380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 12355, 13789, 24710, 27578, 49420, 55156, 68945, 96523, 137890, 193046, 275780, 386092, 482615, 965230, 1930460, 4867517, 9735034, 19470068, 24337585, 34072619, 48675170, 68145238, 97350340, 136290476, 170363095, 340726190, 681452380]

約数ペア:

[(1, 681452380), (2, 340726190), (4, 170363095), (5, 136290476), (7, 97350340), (10, 68145238), (14, 48675170), (20, 34072619), (28, 24337585), (35, 19470068), (70, 9735034), (140, 4867517), (353, 1930460), (706, 965230), (1412, 482615), (1765, 386092), (2471, 275780), (3530, 193046), (4942, 137890), (7060, 96523), (9884, 68945), (12355, 55156), (13789, 49420), (24710, 27578)]