201991830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1841

約数の個数: 64

約数和(自身を含む): 502020288

約数和(自身を除く): 300028458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 97, 123, 194, 205, 246, 291, 410, 485, 582, 615, 970, 1230, 1455, 1693, 2910, 3386, 3977, 5079, 7954, 8465, 10158, 11931, 16930, 19885, 23862, 25395, 39770, 50790, 59655, 69413, 119310, 138826, 164221, 208239, 328442, 347065, 416478, 492663, 694130, 821105, 985326, 1041195, 1642210, 2082390, 2463315, 4926630, 6733061, 13466122, 20199183, 33665305, 40398366, 67330610, 100995915, 201991830]

約数ペア:

[(1, 201991830), (2, 100995915), (3, 67330610), (5, 40398366), (6, 33665305), (10, 20199183), (15, 13466122), (30, 6733061), (41, 4926630), (82, 2463315), (97, 2082390), (123, 1642210), (194, 1041195), (205, 985326), (246, 821105), (291, 694130), (410, 492663), (485, 416478), (582, 347065), (615, 328442), (970, 208239), (1230, 164221), (1455, 138826), (1693, 119310), (2910, 69413), (3386, 59655), (3977, 50790), (5079, 39770), (7954, 25395), (8465, 23862), (10158, 19885), (11931, 16930)]