1720229540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{21649}}^1$

素因数の和:21824

約数の個数: 48

約数和(自身を含む): 3764502000

約数和(自身を除く): 2044272460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2740, 3973, 7946, 15892, 19865, 21649, 39730, 43298, 79460, 86596, 108245, 216490, 432980, 627821, 1255642, 2511284, 2965913, 3139105, 5931826, 6278210, 11863652, 12556420, 14829565, 29659130, 59318260, 86011477, 172022954, 344045908, 430057385, 860114770, 1720229540]

約数ペア:

[(1, 1720229540), (2, 860114770), (4, 430057385), (5, 344045908), (10, 172022954), (20, 86011477), (29, 59318260), (58, 29659130), (116, 14829565), (137, 12556420), (145, 11863652), (274, 6278210), (290, 5931826), (548, 3139105), (580, 2965913), (685, 2511284), (1370, 1255642), (2740, 627821), (3973, 432980), (7946, 216490), (15892, 108245), (19865, 86596), (21649, 79460), (39730, 43298)]