210002022260

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1543}}^1\times {\mathrm{21881}}^1$

素因数の和:23744

約数の個数: 48

約数和(自身を含む): 442729228032

約数和(自身を除く): 232727205772

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1543, 1555, 3086, 3110, 6172, 6220, 7715, 15430, 21881, 30860, 43762, 87524, 109405, 218810, 437620, 479873, 959746, 1919492, 2399365, 4798730, 6804991, 9597460, 13609982, 27219964, 33762383, 34024955, 67524766, 68049910, 135049532, 136099820, 168811915, 337623830, 675247660, 10500101113, 21000202226, 42000404452, 52500505565, 105001011130, 210002022260]

約数ペア:

[(1, 210002022260), (2, 105001011130), (4, 52500505565), (5, 42000404452), (10, 21000202226), (20, 10500101113), (311, 675247660), (622, 337623830), (1244, 168811915), (1543, 136099820), (1555, 135049532), (3086, 68049910), (3110, 67524766), (6172, 34024955), (6220, 33762383), (7715, 27219964), (15430, 13609982), (21881, 9597460), (30860, 6804991), (43762, 4798730), (87524, 2399365), (109405, 1919492), (218810, 959746), (437620, 479873)]