200988440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 468266400

約数和(自身を除く): 267277960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 296, 370, 556, 695, 740, 977, 1112, 1390, 1480, 1954, 2780, 3908, 4885, 5143, 5560, 7816, 9770, 10286, 19540, 20572, 25715, 36149, 39080, 41144, 51430, 72298, 102860, 135803, 144596, 180745, 205720, 271606, 289192, 361490, 543212, 679015, 722980, 1086424, 1358030, 1445960, 2716060, 5024711, 5432120, 10049422, 20098844, 25123555, 40197688, 50247110, 100494220, 200988440]

約数ペア:

[(1, 200988440), (2, 100494220), (4, 50247110), (5, 40197688), (8, 25123555), (10, 20098844), (20, 10049422), (37, 5432120), (40, 5024711), (74, 2716060), (139, 1445960), (148, 1358030), (185, 1086424), (278, 722980), (296, 679015), (370, 543212), (556, 361490), (695, 289192), (740, 271606), (977, 205720), (1112, 180745), (1390, 144596), (1480, 135803), (1954, 102860), (2780, 72298), (3908, 51430), (4885, 41144), (5143, 39080), (5560, 36149), (7816, 25715), (9770, 20572), (10286, 19540)]