218723820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27409}}^1$

素因数の和:27447

約数の個数: 96

約数和(自身を含む): 736780800

約数和(自身を除く): 518056980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 27409, 54818, 82227, 109636, 137045, 164454, 191863, 274090, 328908, 383726, 411135, 520771, 548180, 575589, 767452, 822270, 959315, 1041542, 1151178, 1562313, 1644540, 1918630, 2083084, 2302356, 2603855, 2877945, 3124626, 3645397, 3837260, 5207710, 5755890, 6249252, 7290794, 7811565, 10415420, 10936191, 11511780, 14581588, 15623130, 18226985, 21872382, 31246260, 36453970, 43744764, 54680955, 72907940, 109361910, 218723820]

約数ペア:

[(1, 218723820), (2, 109361910), (3, 72907940), (4, 54680955), (5, 43744764), (6, 36453970), (7, 31246260), (10, 21872382), (12, 18226985), (14, 15623130), (15, 14581588), (19, 11511780), (20, 10936191), (21, 10415420), (28, 7811565), (30, 7290794), (35, 6249252), (38, 5755890), (42, 5207710), (57, 3837260), (60, 3645397), (70, 3124626), (76, 2877945), (84, 2603855), (95, 2302356), (105, 2083084), (114, 1918630), (133, 1644540), (140, 1562313), (190, 1151178), (210, 1041542), (228, 959315), (266, 822270), (285, 767452), (380, 575589), (399, 548180), (420, 520771), (532, 411135), (570, 383726), (665, 328908), (798, 274090), (1140, 191863), (1330, 164454), (1596, 137045), (1995, 109636), (2660, 82227), (3990, 54818), (7980, 27409)]