210988920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3191}}^1$

素因数の和:3253

約数の個数: 128

約数和(自身を含む): 689472000

約数和(自身を除く): 478483080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 551, 570, 580, 696, 760, 870, 1102, 1140, 1160, 1653, 1740, 2204, 2280, 2755, 3191, 3306, 3480, 4408, 5510, 6382, 6612, 8265, 9573, 11020, 12764, 13224, 15955, 16530, 19146, 22040, 25528, 31910, 33060, 38292, 47865, 60629, 63820, 66120, 76584, 92539, 95730, 121258, 127640, 181887, 185078, 191460, 242516, 277617, 303145, 363774, 370156, 382920, 462695, 485032, 555234, 606290, 727548, 740312, 909435, 925390, 1110468, 1212580, 1388085, 1455096, 1758241, 1818870, 1850780, 2220936, 2425160, 2776170, 3516482, 3637740, 3701560, 5274723, 5552340, 7032964, 7275480, 8791205, 10549446, 11104680, 14065928, 17582410, 21098892, 26373615, 35164820, 42197784, 52747230, 70329640, 105494460, 210988920]

約数ペア:

[(1, 210988920), (2, 105494460), (3, 70329640), (4, 52747230), (5, 42197784), (6, 35164820), (8, 26373615), (10, 21098892), (12, 17582410), (15, 14065928), (19, 11104680), (20, 10549446), (24, 8791205), (29, 7275480), (30, 7032964), (38, 5552340), (40, 5274723), (57, 3701560), (58, 3637740), (60, 3516482), (76, 2776170), (87, 2425160), (95, 2220936), (114, 1850780), (116, 1818870), (120, 1758241), (145, 1455096), (152, 1388085), (174, 1212580), (190, 1110468), (228, 925390), (232, 909435), (285, 740312), (290, 727548), (348, 606290), (380, 555234), (435, 485032), (456, 462695), (551, 382920), (570, 370156), (580, 363774), (696, 303145), (760, 277617), (870, 242516), (1102, 191460), (1140, 185078), (1160, 181887), (1653, 127640), (1740, 121258), (2204, 95730), (2280, 92539), (2755, 76584), (3191, 66120), (3306, 63820), (3480, 60629), (4408, 47865), (5510, 38292), (6382, 33060), (6612, 31910), (8265, 25528), (9573, 22040), (11020, 19146), (12764, 16530), (13224, 15955)]