2544220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1069}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 6471360

約数和(自身を除く): 3927140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1069, 1190, 2138, 2380, 4276, 5345, 7483, 10690, 14966, 18173, 21380, 29932, 36346, 37415, 72692, 74830, 90865, 127211, 149660, 181730, 254422, 363460, 508844, 636055, 1272110, 2544220]

約数ペア:

[(1, 2544220), (2, 1272110), (4, 636055), (5, 508844), (7, 363460), (10, 254422), (14, 181730), (17, 149660), (20, 127211), (28, 90865), (34, 74830), (35, 72692), (68, 37415), (70, 36346), (85, 29932), (119, 21380), (140, 18173), (170, 14966), (238, 10690), (340, 7483), (476, 5345), (595, 4276), (1069, 2380), (1190, 2138)]