139722580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 330624000

約数和(自身を除く): 190901420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 290, 310, 380, 409, 551, 580, 589, 620, 818, 899, 1102, 1178, 1636, 1798, 2045, 2204, 2356, 2755, 2945, 3596, 4090, 4495, 5510, 5890, 7771, 8180, 8990, 11020, 11780, 11861, 12679, 15542, 17081, 17980, 23722, 25358, 31084, 34162, 38855, 47444, 50716, 59305, 63395, 68324, 77710, 85405, 118610, 126790, 155420, 170810, 225359, 237220, 240901, 253580, 341620, 367691, 450718, 481802, 735382, 901436, 963604, 1126795, 1204505, 1470764, 1838455, 2253590, 2409010, 3676910, 4507180, 4818020, 6986129, 7353820, 13972258, 27944516, 34930645, 69861290, 139722580]

約数ペア:

[(1, 139722580), (2, 69861290), (4, 34930645), (5, 27944516), (10, 13972258), (19, 7353820), (20, 6986129), (29, 4818020), (31, 4507180), (38, 3676910), (58, 2409010), (62, 2253590), (76, 1838455), (95, 1470764), (116, 1204505), (124, 1126795), (145, 963604), (155, 901436), (190, 735382), (290, 481802), (310, 450718), (380, 367691), (409, 341620), (551, 253580), (580, 240901), (589, 237220), (620, 225359), (818, 170810), (899, 155420), (1102, 126790), (1178, 118610), (1636, 85405), (1798, 77710), (2045, 68324), (2204, 63395), (2356, 59305), (2755, 50716), (2945, 47444), (3596, 38855), (4090, 34162), (4495, 31084), (5510, 25358), (5890, 23722), (7771, 17980), (8180, 17081), (8990, 15542), (11020, 12679), (11780, 11861)]