221342310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1027

約数の個数: 144

約数和(自身を含む): 682798896

約数和(自身を除く): 461456586

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 53, 63, 70, 90, 98, 105, 106, 126, 147, 159, 210, 245, 265, 294, 315, 318, 371, 441, 477, 490, 530, 630, 735, 742, 795, 882, 947, 954, 1113, 1470, 1590, 1855, 1894, 2205, 2226, 2385, 2597, 2841, 3339, 3710, 4410, 4735, 4770, 5194, 5565, 5682, 6629, 6678, 7791, 8523, 9470, 11130, 12985, 13258, 14205, 15582, 16695, 17046, 19887, 23373, 25970, 28410, 33145, 33390, 38955, 39774, 42615, 46403, 46746, 50191, 59661, 66290, 77910, 85230, 92806, 99435, 100382, 116865, 119322, 139209, 150573, 198870, 232015, 233730, 250955, 278418, 298305, 301146, 351337, 417627, 451719, 464030, 501910, 596610, 696045, 702674, 752865, 835254, 903438, 1054011, 1392090, 1505730, 1756685, 2088135, 2108022, 2258595, 2459359, 3162033, 3513370, 4176270, 4517190, 4918718, 5270055, 6324066, 7378077, 10540110, 12296795, 14756154, 15810165, 22134231, 24593590, 31620330, 36890385, 44268462, 73780770, 110671155, 221342310]

約数ペア:

[(1, 221342310), (2, 110671155), (3, 73780770), (5, 44268462), (6, 36890385), (7, 31620330), (9, 24593590), (10, 22134231), (14, 15810165), (15, 14756154), (18, 12296795), (21, 10540110), (30, 7378077), (35, 6324066), (42, 5270055), (45, 4918718), (49, 4517190), (53, 4176270), (63, 3513370), (70, 3162033), (90, 2459359), (98, 2258595), (105, 2108022), (106, 2088135), (126, 1756685), (147, 1505730), (159, 1392090), (210, 1054011), (245, 903438), (265, 835254), (294, 752865), (315, 702674), (318, 696045), (371, 596610), (441, 501910), (477, 464030), (490, 451719), (530, 417627), (630, 351337), (735, 301146), (742, 298305), (795, 278418), (882, 250955), (947, 233730), (954, 232015), (1113, 198870), (1470, 150573), (1590, 139209), (1855, 119322), (1894, 116865), (2205, 100382), (2226, 99435), (2385, 92806), (2597, 85230), (2841, 77910), (3339, 66290), (3710, 59661), (4410, 50191), (4735, 46746), (4770, 46403), (5194, 42615), (5565, 39774), (5682, 38955), (6629, 33390), (6678, 33145), (7791, 28410), (8523, 25970), (9470, 23373), (11130, 19887), (12985, 17046), (13258, 16695), (14205, 15582)]