268408520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 614053440

約数和(自身を除く): 345644920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 181, 262, 283, 362, 524, 566, 655, 724, 905, 1048, 1132, 1310, 1415, 1448, 1810, 2264, 2620, 2830, 3620, 5240, 5660, 7240, 11320, 23711, 37073, 47422, 51223, 74146, 94844, 102446, 118555, 148292, 185365, 189688, 204892, 237110, 256115, 296584, 370730, 409784, 474220, 512230, 741460, 948440, 1024460, 1482920, 2048920, 6710213, 13420426, 26840852, 33551065, 53681704, 67102130, 134204260, 268408520]

約数ペア:

[(1, 268408520), (2, 134204260), (4, 67102130), (5, 53681704), (8, 33551065), (10, 26840852), (20, 13420426), (40, 6710213), (131, 2048920), (181, 1482920), (262, 1024460), (283, 948440), (362, 741460), (524, 512230), (566, 474220), (655, 409784), (724, 370730), (905, 296584), (1048, 256115), (1132, 237110), (1310, 204892), (1415, 189688), (1448, 185365), (1810, 148292), (2264, 118555), (2620, 102446), (2830, 94844), (3620, 74146), (5240, 51223), (5660, 47422), (7240, 37073), (11320, 23711)]