245870680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1459}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 605491200

約数和(自身を除く): 359620520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 440, 766, 1459, 1532, 1915, 2918, 3064, 3830, 4213, 5836, 7295, 7660, 8426, 11672, 14590, 15320, 16049, 16852, 21065, 29180, 32098, 33704, 42130, 58360, 64196, 80245, 84260, 128392, 160490, 168520, 320980, 558797, 641960, 1117594, 2235188, 2793985, 4470376, 5587970, 6146767, 11175940, 12293534, 22351880, 24587068, 30733835, 49174136, 61467670, 122935340, 245870680]

約数ペア:

[(1, 245870680), (2, 122935340), (4, 61467670), (5, 49174136), (8, 30733835), (10, 24587068), (11, 22351880), (20, 12293534), (22, 11175940), (40, 6146767), (44, 5587970), (55, 4470376), (88, 2793985), (110, 2235188), (220, 1117594), (383, 641960), (440, 558797), (766, 320980), (1459, 168520), (1532, 160490), (1915, 128392), (2918, 84260), (3064, 80245), (3830, 64196), (4213, 58360), (5836, 42130), (7295, 33704), (7660, 32098), (8426, 29180), (11672, 21065), (14590, 16852), (15320, 16049)]