198994740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1291}}^1$

素因数の和:1677

約数の個数: 96

約数和(自身を含む): 639012864

約数和(自身を除く): 440018124

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, 367, 420, 734, 1101, 1291, 1468, 1835, 2202, 2569, 2582, 3670, 3873, 4404, 5138, 5164, 5505, 6455, 7340, 7707, 7746, 9037, 10276, 11010, 12845, 12910, 15414, 15492, 18074, 19365, 22020, 25690, 25820, 27111, 30828, 36148, 38535, 38730, 45185, 51380, 54222, 77070, 77460, 90370, 108444, 135555, 154140, 180740, 271110, 473797, 542220, 947594, 1421391, 1895188, 2368985, 2842782, 3316579, 4737970, 5685564, 6633158, 7106955, 9475940, 9949737, 13266316, 14213910, 16582895, 19899474, 28427820, 33165790, 39798948, 49748685, 66331580, 99497370, 198994740]

約数ペア:

[(1, 198994740), (2, 99497370), (3, 66331580), (4, 49748685), (5, 39798948), (6, 33165790), (7, 28427820), (10, 19899474), (12, 16582895), (14, 14213910), (15, 13266316), (20, 9949737), (21, 9475940), (28, 7106955), (30, 6633158), (35, 5685564), (42, 4737970), (60, 3316579), (70, 2842782), (84, 2368985), (105, 1895188), (140, 1421391), (210, 947594), (367, 542220), (420, 473797), (734, 271110), (1101, 180740), (1291, 154140), (1468, 135555), (1835, 108444), (2202, 90370), (2569, 77460), (2582, 77070), (3670, 54222), (3873, 51380), (4404, 45185), (5138, 38730), (5164, 38535), (5505, 36148), (6455, 30828), (7340, 27111), (7707, 25820), (7746, 25690), (9037, 22020), (10276, 19365), (11010, 18074), (12845, 15492), (12910, 15414)]