11964820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 30308040

約数和(自身を除く): 18343220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 421, 490, 580, 812, 842, 980, 1015, 1421, 1684, 2030, 2105, 2842, 2947, 4060, 4210, 5684, 5894, 7105, 8420, 11788, 12209, 14210, 14735, 20629, 24418, 28420, 29470, 41258, 48836, 58940, 61045, 82516, 85463, 103145, 122090, 170926, 206290, 244180, 341852, 412580, 427315, 598241, 854630, 1196482, 1709260, 2392964, 2991205, 5982410, 11964820]

約数ペア:

[(1, 11964820), (2, 5982410), (4, 2991205), (5, 2392964), (7, 1709260), (10, 1196482), (14, 854630), (20, 598241), (28, 427315), (29, 412580), (35, 341852), (49, 244180), (58, 206290), (70, 170926), (98, 122090), (116, 103145), (140, 85463), (145, 82516), (196, 61045), (203, 58940), (245, 48836), (290, 41258), (406, 29470), (421, 28420), (490, 24418), (580, 20629), (812, 14735), (842, 14210), (980, 12209), (1015, 11788), (1421, 8420), (1684, 7105), (2030, 5894), (2105, 5684), (2842, 4210), (2947, 4060)]