217635880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3719}}^1$

素因数の和:3767

約数の個数: 128

約数和(自身を含む): 642816000

約数和(自身を除く): 425180120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1672, 2090, 2660, 2926, 3080, 3719, 4180, 5320, 5852, 7315, 7438, 8360, 11704, 14630, 14876, 18595, 26033, 29260, 29752, 37190, 40909, 52066, 58520, 70661, 74380, 81818, 104132, 130165, 141322, 148760, 163636, 204545, 208264, 260330, 282644, 286363, 327272, 353305, 409090, 494627, 520660, 565288, 572726, 706610, 777271, 818180, 989254, 1041320, 1145452, 1413220, 1431815, 1554542, 1636360, 1978508, 2290904, 2473135, 2826440, 2863630, 3109084, 3886355, 3957016, 4946270, 5440897, 5727260, 6218168, 7772710, 9892540, 10881794, 11454520, 15545420, 19785080, 21763588, 27204485, 31090840, 43527176, 54408970, 108817940, 217635880]

約数ペア:

[(1, 217635880), (2, 108817940), (4, 54408970), (5, 43527176), (7, 31090840), (8, 27204485), (10, 21763588), (11, 19785080), (14, 15545420), (19, 11454520), (20, 10881794), (22, 9892540), (28, 7772710), (35, 6218168), (38, 5727260), (40, 5440897), (44, 4946270), (55, 3957016), (56, 3886355), (70, 3109084), (76, 2863630), (77, 2826440), (88, 2473135), (95, 2290904), (110, 1978508), (133, 1636360), (140, 1554542), (152, 1431815), (154, 1413220), (190, 1145452), (209, 1041320), (220, 989254), (266, 818180), (280, 777271), (308, 706610), (380, 572726), (385, 565288), (418, 520660), (440, 494627), (532, 409090), (616, 353305), (665, 327272), (760, 286363), (770, 282644), (836, 260330), (1045, 208264), (1064, 204545), (1330, 163636), (1463, 148760), (1540, 141322), (1672, 130165), (2090, 104132), (2660, 81818), (2926, 74380), (3080, 70661), (3719, 58520), (4180, 52066), (5320, 40909), (5852, 37190), (7315, 29752), (7438, 29260), (8360, 26033), (11704, 18595), (14630, 14876)]