2020160450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{811}}^1$

素因数の和:1488

約数の個数: 96

約数和(自身を含む): 4697699328

約数和(自身を除く): 2677538878

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 647, 770, 811, 1294, 1622, 1925, 3235, 3850, 4055, 4529, 5677, 6470, 7117, 8110, 8921, 9058, 11354, 14234, 16175, 17842, 20275, 22645, 28385, 32350, 35585, 40550, 44605, 45290, 49819, 56770, 62447, 71170, 89210, 99638, 113225, 124894, 141925, 177925, 223025, 226450, 249095, 283850, 312235, 355850, 446050, 498190, 524717, 624470, 1049434, 1245475, 1561175, 2490950, 2623585, 3122350, 3673019, 5247170, 5771887, 7346038, 11543774, 13117925, 18365095, 26235850, 28859435, 36730190, 40403209, 57718870, 80806418, 91825475, 144297175, 183650950, 202016045, 288594350, 404032090, 1010080225, 2020160450]

約数ペア:

[(1, 2020160450), (2, 1010080225), (5, 404032090), (7, 288594350), (10, 202016045), (11, 183650950), (14, 144297175), (22, 91825475), (25, 80806418), (35, 57718870), (50, 40403209), (55, 36730190), (70, 28859435), (77, 26235850), (110, 18365095), (154, 13117925), (175, 11543774), (275, 7346038), (350, 5771887), (385, 5247170), (550, 3673019), (647, 3122350), (770, 2623585), (811, 2490950), (1294, 1561175), (1622, 1245475), (1925, 1049434), (3235, 624470), (3850, 524717), (4055, 498190), (4529, 446050), (5677, 355850), (6470, 312235), (7117, 283850), (8110, 249095), (8921, 226450), (9058, 223025), (11354, 177925), (14234, 141925), (16175, 124894), (17842, 113225), (20275, 99638), (22645, 89210), (28385, 71170), (32350, 62447), (35585, 56770), (40550, 49819), (44605, 45290)]