4069776820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{5581}}^1$

素因数の和:5729

約数の個数: 72

約数和(自身を含む): 9110962728

約数和(自身を除く): 5041185908

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 361, 380, 404, 505, 722, 1010, 1444, 1805, 1919, 2020, 3610, 3838, 5581, 7220, 7676, 9595, 11162, 19190, 22324, 27905, 36461, 38380, 55810, 72922, 106039, 111620, 145844, 182305, 212078, 364610, 424156, 530195, 563681, 729220, 1060390, 1127362, 2014741, 2120780, 2254724, 2818405, 4029482, 5636810, 8058964, 10073705, 10709939, 11273620, 20147410, 21419878, 40294820, 42839756, 53549695, 107099390, 203488841, 214198780, 406977682, 813955364, 1017444205, 2034888410, 4069776820]

約数ペア:

[(1, 4069776820), (2, 2034888410), (4, 1017444205), (5, 813955364), (10, 406977682), (19, 214198780), (20, 203488841), (38, 107099390), (76, 53549695), (95, 42839756), (101, 40294820), (190, 21419878), (202, 20147410), (361, 11273620), (380, 10709939), (404, 10073705), (505, 8058964), (722, 5636810), (1010, 4029482), (1444, 2818405), (1805, 2254724), (1919, 2120780), (2020, 2014741), (3610, 1127362), (3838, 1060390), (5581, 729220), (7220, 563681), (7676, 530195), (9595, 424156), (11162, 364610), (19190, 212078), (22324, 182305), (27905, 145844), (36461, 111620), (38380, 106039), (55810, 72922)]