42253540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 102195072

約数和(自身を除く): 59941532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2203, 2740, 3836, 4406, 4795, 8812, 9590, 11015, 15421, 19180, 22030, 30842, 44060, 61684, 77105, 154210, 301811, 308420, 603622, 1207244, 1509055, 2112677, 3018110, 4225354, 6036220, 8450708, 10563385, 21126770, 42253540]

約数ペア:

[(1, 42253540), (2, 21126770), (4, 10563385), (5, 8450708), (7, 6036220), (10, 4225354), (14, 3018110), (20, 2112677), (28, 1509055), (35, 1207244), (70, 603622), (137, 308420), (140, 301811), (274, 154210), (548, 77105), (685, 61684), (959, 44060), (1370, 30842), (1918, 22030), (2203, 19180), (2740, 15421), (3836, 11015), (4406, 9590), (4795, 8812)]