219841720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1021}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 566596800

約数和(自身を除く): 346755080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 769, 1021, 1538, 2042, 3076, 3845, 4084, 5105, 5383, 6152, 7147, 7690, 8168, 10210, 10766, 14294, 15380, 20420, 21532, 26915, 28588, 30760, 35735, 40840, 43064, 53830, 57176, 71470, 107660, 142940, 215320, 285880, 785149, 1570298, 3140596, 3925745, 5496043, 6281192, 7851490, 10992086, 15702980, 21984172, 27480215, 31405960, 43968344, 54960430, 109920860, 219841720]

約数ペア:

[(1, 219841720), (2, 109920860), (4, 54960430), (5, 43968344), (7, 31405960), (8, 27480215), (10, 21984172), (14, 15702980), (20, 10992086), (28, 7851490), (35, 6281192), (40, 5496043), (56, 3925745), (70, 3140596), (140, 1570298), (280, 785149), (769, 285880), (1021, 215320), (1538, 142940), (2042, 107660), (3076, 71470), (3845, 57176), (4084, 53830), (5105, 43064), (5383, 40840), (6152, 35735), (7147, 30760), (7690, 28588), (8168, 26915), (10210, 21532), (10766, 20420), (14294, 15380)]