1558909940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{19501}}^1$

素因数の和:20088

約数の個数: 48

約数和(自身を含む): 3748128384

約数和(自身を除く): 2189218444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 11420, 15988, 19501, 19985, 39002, 39970, 78004, 79940, 97505, 136507, 195010, 273014, 390020, 546028, 682535, 1365070, 2730140, 11135071, 22270142, 44540284, 55675355, 77945497, 111350710, 155890994, 222701420, 311781988, 389727485, 779454970, 1558909940]

約数ペア:

[(1, 1558909940), (2, 779454970), (4, 389727485), (5, 311781988), (7, 222701420), (10, 155890994), (14, 111350710), (20, 77945497), (28, 55675355), (35, 44540284), (70, 22270142), (140, 11135071), (571, 2730140), (1142, 1365070), (2284, 682535), (2855, 546028), (3997, 390020), (5710, 273014), (7994, 195010), (11420, 136507), (15988, 97505), (19501, 79940), (19985, 78004), (39002, 39970)]