91025540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 194745600

約数和(自身を除く): 103720060

約数列:

[1, 2, 4, 5, 10, 20, 137, 139, 239, 274, 278, 478, 548, 556, 685, 695, 956, 1195, 1370, 1390, 2390, 2740, 2780, 4780, 19043, 32743, 33221, 38086, 65486, 66442, 76172, 95215, 130972, 132884, 163715, 166105, 190430, 327430, 332210, 380860, 654860, 664420, 4551277, 9102554, 18205108, 22756385, 45512770, 91025540]

約数ペア:

[(1, 91025540), (2, 45512770), (4, 22756385), (5, 18205108), (10, 9102554), (20, 4551277), (137, 664420), (139, 654860), (239, 380860), (274, 332210), (278, 327430), (478, 190430), (548, 166105), (556, 163715), (685, 132884), (695, 130972), (956, 95215), (1195, 76172), (1370, 66442), (1390, 65486), (2390, 38086), (2740, 33221), (2780, 32743), (4780, 19043)]