212163280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1669}}^1$

素因数の和:1916

約数の個数: 80

約数和(自身を含む): 566570880

約数和(自身を除く): 354407600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1669, 1816, 2270, 3178, 3338, 3632, 4540, 6356, 6676, 7945, 8345, 9080, 11683, 12712, 13352, 15890, 16690, 18160, 23366, 25424, 26704, 31780, 33380, 46732, 58415, 63560, 66760, 93464, 116830, 127120, 133520, 186928, 233660, 378863, 467320, 757726, 934640, 1515452, 1894315, 2652041, 3030904, 3788630, 5304082, 6061808, 7577260, 10608164, 13260205, 15154520, 21216328, 26520410, 30309040, 42432656, 53040820, 106081640, 212163280]

約数ペア:

[(1, 212163280), (2, 106081640), (4, 53040820), (5, 42432656), (7, 30309040), (8, 26520410), (10, 21216328), (14, 15154520), (16, 13260205), (20, 10608164), (28, 7577260), (35, 6061808), (40, 5304082), (56, 3788630), (70, 3030904), (80, 2652041), (112, 1894315), (140, 1515452), (227, 934640), (280, 757726), (454, 467320), (560, 378863), (908, 233660), (1135, 186928), (1589, 133520), (1669, 127120), (1816, 116830), (2270, 93464), (3178, 66760), (3338, 63560), (3632, 58415), (4540, 46732), (6356, 33380), (6676, 31780), (7945, 26704), (8345, 25424), (9080, 23366), (11683, 18160), (12712, 16690), (13352, 15890)]