71520890

素因数分解:

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

素因数の和:891

約数の個数: 48

約数和(自身を含む): 150649632

約数和(自身を除く): 79128742

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 227, 245, 454, 490, 643, 1135, 1286, 1589, 2270, 3178, 3215, 4501, 6430, 7945, 9002, 11123, 15890, 22246, 22505, 31507, 45010, 55615, 63014, 111230, 145961, 157535, 291922, 315070, 729805, 1021727, 1459610, 2043454, 5108635, 7152089, 10217270, 14304178, 35760445, 71520890]

約数ペア:

[(1, 71520890), (2, 35760445), (5, 14304178), (7, 10217270), (10, 7152089), (14, 5108635), (35, 2043454), (49, 1459610), (70, 1021727), (98, 729805), (227, 315070), (245, 291922), (454, 157535), (490, 145961), (643, 111230), (1135, 63014), (1286, 55615), (1589, 45010), (2270, 31507), (3178, 22505), (3215, 22246), (4501, 15890), (6430, 11123), (7945, 9002)]