143041780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 351515808

約数和(自身を除く): 208474028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 454, 490, 643, 908, 980, 1135, 1286, 1589, 2270, 2572, 3178, 3215, 4501, 4540, 6356, 6430, 7945, 9002, 11123, 12860, 15890, 18004, 22246, 22505, 31507, 31780, 44492, 45010, 55615, 63014, 90020, 111230, 126028, 145961, 157535, 222460, 291922, 315070, 583844, 630140, 729805, 1021727, 1459610, 2043454, 2919220, 4086908, 5108635, 7152089, 10217270, 14304178, 20434540, 28608356, 35760445, 71520890, 143041780]

約数ペア:

[(1, 143041780), (2, 71520890), (4, 35760445), (5, 28608356), (7, 20434540), (10, 14304178), (14, 10217270), (20, 7152089), (28, 5108635), (35, 4086908), (49, 2919220), (70, 2043454), (98, 1459610), (140, 1021727), (196, 729805), (227, 630140), (245, 583844), (454, 315070), (490, 291922), (643, 222460), (908, 157535), (980, 145961), (1135, 126028), (1286, 111230), (1589, 90020), (2270, 63014), (2572, 55615), (3178, 45010), (3215, 44492), (4501, 31780), (4540, 31507), (6356, 22505), (6430, 22246), (7945, 18004), (9002, 15890), (11123, 12860)]