290402560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{32411}}^1$

素因数の和:32439

約数の個数: 72

約数和(自身を含む): 795001536

約数和(自身を除く): 504598976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 32411, 64822, 129644, 162055, 226877, 259288, 324110, 453754, 518576, 648220, 907508, 1037152, 1134385, 1296440, 1815016, 2074304, 2268770, 2592880, 3630032, 4148608, 4537540, 5185760, 7260064, 8297216, 9075080, 10371520, 14520128, 18150160, 20743040, 29040256, 36300320, 41486080, 58080512, 72600640, 145201280, 290402560]

約数ペア:

[(1, 290402560), (2, 145201280), (4, 72600640), (5, 58080512), (7, 41486080), (8, 36300320), (10, 29040256), (14, 20743040), (16, 18150160), (20, 14520128), (28, 10371520), (32, 9075080), (35, 8297216), (40, 7260064), (56, 5185760), (64, 4537540), (70, 4148608), (80, 3630032), (112, 2592880), (128, 2268770), (140, 2074304), (160, 1815016), (224, 1296440), (256, 1134385), (280, 1037152), (320, 907508), (448, 648220), (560, 518576), (640, 453754), (896, 324110), (1120, 259288), (1280, 226877), (1792, 162055), (2240, 129644), (4480, 64822), (8960, 32411)]