207985755980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17911}}^1\times {\mathrm{20021}}^1$

素因数の和:37970

約数の個数: 48

約数和(自身を含む): 451878920640

約数和(自身を除く): 243893164660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 17911, 20021, 35822, 40042, 71644, 80084, 89555, 100105, 179110, 200210, 358220, 400420, 519419, 580609, 1038838, 1161218, 2077676, 2322436, 2597095, 2903045, 5194190, 5806090, 10388380, 11612180, 358596131, 717192262, 1434384524, 1792980655, 3585961310, 7171922620, 10399287799, 20798575598, 41597151196, 51996438995, 103992877990, 207985755980]

約数ペア:

[(1, 207985755980), (2, 103992877990), (4, 51996438995), (5, 41597151196), (10, 20798575598), (20, 10399287799), (29, 7171922620), (58, 3585961310), (116, 1792980655), (145, 1434384524), (290, 717192262), (580, 358596131), (17911, 11612180), (20021, 10388380), (35822, 5806090), (40042, 5194190), (71644, 2903045), (80084, 2597095), (89555, 2322436), (100105, 2077676), (179110, 1161218), (200210, 1038838), (358220, 580609), (400420, 519419)]