1228565540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1\times {\mathrm{1459}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 2622533760

約数和(自身を除く): 1393968220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 593, 710, 1186, 1420, 1459, 2372, 2918, 2965, 5836, 5930, 7295, 11860, 14590, 29180, 42103, 84206, 103589, 168412, 207178, 210515, 414356, 421030, 517945, 842060, 865187, 1035890, 1730374, 2071780, 3460748, 4325935, 8651870, 17303740, 61428277, 122856554, 245713108, 307141385, 614282770, 1228565540]

約数ペア:

[(1, 1228565540), (2, 614282770), (4, 307141385), (5, 245713108), (10, 122856554), (20, 61428277), (71, 17303740), (142, 8651870), (284, 4325935), (355, 3460748), (593, 2071780), (710, 1730374), (1186, 1035890), (1420, 865187), (1459, 842060), (2372, 517945), (2918, 421030), (2965, 414356), (5836, 210515), (5930, 207178), (7295, 168412), (11860, 103589), (14590, 84206), (29180, 42103)]