200628280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1181}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 469774080

約数和(自身を除く): 269145800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 1096, 1181, 1240, 1370, 2362, 2740, 4247, 4724, 5480, 5905, 8494, 9448, 11810, 16988, 21235, 23620, 33976, 36611, 42470, 47240, 73222, 84940, 146444, 161797, 169880, 183055, 292888, 323594, 366110, 647188, 732220, 808985, 1294376, 1464440, 1617970, 3235940, 5015707, 6471880, 10031414, 20062828, 25078535, 40125656, 50157070, 100314140, 200628280]

約数ペア:

[(1, 200628280), (2, 100314140), (4, 50157070), (5, 40125656), (8, 25078535), (10, 20062828), (20, 10031414), (31, 6471880), (40, 5015707), (62, 3235940), (124, 1617970), (137, 1464440), (155, 1294376), (248, 808985), (274, 732220), (310, 647188), (548, 366110), (620, 323594), (685, 292888), (1096, 183055), (1181, 169880), (1240, 161797), (1370, 146444), (2362, 84940), (2740, 73222), (4247, 47240), (4724, 42470), (5480, 36611), (5905, 33976), (8494, 23620), (9448, 21235), (11810, 16988)]