890263880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1\times {\mathrm{1907}}^1$

素因数の和:2990

約数の個数: 64

約数和(自身を含む): 2188399680

約数和(自身を除く): 1298135800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1061, 1907, 2122, 3814, 4244, 5305, 7628, 8488, 9535, 10610, 11671, 15256, 19070, 20977, 21220, 23342, 38140, 41954, 42440, 46684, 58355, 76280, 83908, 93368, 104885, 116710, 167816, 209770, 233420, 419540, 466840, 839080, 2023327, 4046654, 8093308, 10116635, 16186616, 20233270, 22256597, 40466540, 44513194, 80933080, 89026388, 111282985, 178052776, 222565970, 445131940, 890263880]

約数ペア:

[(1, 890263880), (2, 445131940), (4, 222565970), (5, 178052776), (8, 111282985), (10, 89026388), (11, 80933080), (20, 44513194), (22, 40466540), (40, 22256597), (44, 20233270), (55, 16186616), (88, 10116635), (110, 8093308), (220, 4046654), (440, 2023327), (1061, 839080), (1907, 466840), (2122, 419540), (3814, 233420), (4244, 209770), (5305, 167816), (7628, 116710), (8488, 104885), (9535, 93368), (10610, 83908), (11671, 76280), (15256, 58355), (19070, 46684), (20977, 42440), (21220, 41954), (23342, 38140)]