212843820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{769}}^1$

素因数の和:1447

約数の個数: 96

約数和(自身を含む): 683020800

約数和(自身を除く): 470176980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 659, 769, 1318, 1538, 1977, 2307, 2636, 3076, 3295, 3845, 3954, 4613, 4614, 5383, 6590, 7690, 7908, 9226, 9228, 9885, 10766, 11535, 13180, 13839, 15380, 16149, 18452, 19770, 21532, 23065, 23070, 26915, 27678, 32298, 39540, 46130, 46140, 53830, 55356, 64596, 69195, 80745, 92260, 107660, 138390, 161490, 276780, 322980, 506771, 1013542, 1520313, 2027084, 2533855, 3040626, 3547397, 5067710, 6081252, 7094794, 7601565, 10135420, 10642191, 14189588, 15203130, 17736985, 21284382, 30406260, 35473970, 42568764, 53210955, 70947940, 106421910, 212843820]

約数ペア:

[(1, 212843820), (2, 106421910), (3, 70947940), (4, 53210955), (5, 42568764), (6, 35473970), (7, 30406260), (10, 21284382), (12, 17736985), (14, 15203130), (15, 14189588), (20, 10642191), (21, 10135420), (28, 7601565), (30, 7094794), (35, 6081252), (42, 5067710), (60, 3547397), (70, 3040626), (84, 2533855), (105, 2027084), (140, 1520313), (210, 1013542), (420, 506771), (659, 322980), (769, 276780), (1318, 161490), (1538, 138390), (1977, 107660), (2307, 92260), (2636, 80745), (3076, 69195), (3295, 64596), (3845, 55356), (3954, 53830), (4613, 46140), (4614, 46130), (5383, 39540), (6590, 32298), (7690, 27678), (7908, 26915), (9226, 23070), (9228, 23065), (9885, 21532), (10766, 19770), (11535, 18452), (13180, 16149), (13839, 15380)]