205653308725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1\times {\mathrm{1879}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 260883659520

約数和(自身を除く): 55230350795

約数列:

[1, 5, 25, 71, 197, 313, 355, 985, 1565, 1775, 1879, 4925, 7825, 9395, 13987, 22223, 46975, 61661, 69935, 111115, 133409, 308305, 349675, 370163, 555575, 588127, 667045, 1541525, 1850815, 2940635, 3335225, 4377931, 9254075, 14703175, 21889655, 26281573, 41757017, 109448275, 115861019, 131407865, 208785085, 579305095, 657039325, 1043925425, 2896525475, 8226132349, 41130661745, 205653308725]

約数ペア:

[(1, 205653308725), (5, 41130661745), (25, 8226132349), (71, 2896525475), (197, 1043925425), (313, 657039325), (355, 579305095), (985, 208785085), (1565, 131407865), (1775, 115861019), (1879, 109448275), (4925, 41757017), (7825, 26281573), (9395, 21889655), (13987, 14703175), (22223, 9254075), (46975, 4377931), (61661, 3335225), (69935, 2940635), (111115, 1850815), (133409, 1541525), (308305, 667045), (349675, 588127), (370163, 555575)]