2040973988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 3679830000

約数和(自身を除く): 1638856012

約数列:

[1, 2, 4, 89, 109, 149, 178, 218, 298, 353, 356, 436, 596, 706, 1412, 9701, 13261, 16241, 19402, 26522, 31417, 32482, 38477, 38804, 52597, 53044, 62834, 64964, 76954, 105194, 125668, 153908, 210388, 1445449, 2890898, 3424453, 4681133, 5733073, 5781796, 6848906, 9362266, 11466146, 13697812, 18724532, 22932292, 510243497, 1020486994, 2040973988]

約数ペア:

[(1, 2040973988), (2, 1020486994), (4, 510243497), (89, 22932292), (109, 18724532), (149, 13697812), (178, 11466146), (218, 9362266), (298, 6848906), (353, 5781796), (356, 5733073), (436, 4681133), (596, 3424453), (706, 2890898), (1412, 1445449), (9701, 210388), (13261, 153908), (16241, 125668), (19402, 105194), (26522, 76954), (31417, 64964), (32482, 62834), (38477, 53044), (38804, 52597)]