51809660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 130999680

約数和(自身を除く): 79190020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 1823, 2030, 2842, 3646, 4060, 5684, 7105, 7292, 9115, 12761, 14210, 18230, 25522, 28420, 36460, 51044, 52867, 63805, 89327, 105734, 127610, 178654, 211468, 255220, 264335, 357308, 370069, 446635, 528670, 740138, 893270, 1057340, 1480276, 1786540, 1850345, 2590483, 3700690, 5180966, 7401380, 10361932, 12952415, 25904830, 51809660]

約数ペア:

[(1, 51809660), (2, 25904830), (4, 12952415), (5, 10361932), (7, 7401380), (10, 5180966), (14, 3700690), (20, 2590483), (28, 1850345), (29, 1786540), (35, 1480276), (49, 1057340), (58, 893270), (70, 740138), (98, 528670), (116, 446635), (140, 370069), (145, 357308), (196, 264335), (203, 255220), (245, 211468), (290, 178654), (406, 127610), (490, 105734), (580, 89327), (812, 63805), (980, 52867), (1015, 51044), (1421, 36460), (1823, 28420), (2030, 25522), (2842, 18230), (3646, 14210), (4060, 12761), (5684, 9115), (7105, 7292)]