421775420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{66109}}^1$

素因数の和:66158

約数の個数: 48

約数和(自身を含む): 999583200

約数和(自身を除く): 577807780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 66109, 132218, 264436, 330545, 661090, 727199, 1322180, 1454398, 1917161, 2908796, 3635995, 3834322, 7271990, 7668644, 9585805, 14543980, 19171610, 21088771, 38343220, 42177542, 84355084, 105443855, 210887710, 421775420]

約数ペア:

[(1, 421775420), (2, 210887710), (4, 105443855), (5, 84355084), (10, 42177542), (11, 38343220), (20, 21088771), (22, 19171610), (29, 14543980), (44, 9585805), (55, 7668644), (58, 7271990), (110, 3834322), (116, 3635995), (145, 2908796), (220, 1917161), (290, 1454398), (319, 1322180), (580, 727199), (638, 661090), (1276, 330545), (1595, 264436), (3190, 132218), (6380, 66109)]