28103475820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1465249}}^1$

素因数の和:1465402

約数の個数: 48

約数和(自身を含む): 67940712000

約数和(自身を除く): 39837236180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 1465249, 2930498, 5860996, 7326245, 10256743, 14652490, 20513486, 29304980, 41026972, 51283715, 102567430, 200739113, 205134860, 401478226, 802956452, 1003695565, 1405173791, 2007391130, 2810347582, 4014782260, 5620695164, 7025868955, 14051737910, 28103475820]

約数ペア:

[(1, 28103475820), (2, 14051737910), (4, 7025868955), (5, 5620695164), (7, 4014782260), (10, 2810347582), (14, 2007391130), (20, 1405173791), (28, 1003695565), (35, 802956452), (70, 401478226), (137, 205134860), (140, 200739113), (274, 102567430), (548, 51283715), (685, 41026972), (959, 29304980), (1370, 20513486), (1918, 14652490), (2740, 10256743), (3836, 7326245), (4795, 5860996), (9590, 2930498), (19180, 1465249)]